OT-2026-000055407
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055407) never changes.
Identity and time
| Publication number | OT-2026-000055407 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a101-7bb6-90ce-668dabb962fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055407 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd41c344424f0f86805c16ef95973cc4e305e9f770db2327ee975976763d58eb |
|---|---|
| Markdown | a67a8cdd08bf796b0fc15c32ed8c2a8db8500a508639a3a09117eecf30e53698 |
| Publication page | 1663f9a8ff9544704b7ccf68b4d205035ce8ccb2fc33894d86cea5a2067cf7f5 |
| Manifest | 454c0e3169de8e843e0bbf11f2f89370baf212ea69068b744cf26db42cd15ba6 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | AwuHM8fnsdy5zWO4c6AMglbJ6bG7dtLrw8t+OanbSxvwOHvrPVtwIg/tdC/yN6z+swbfibfFEsRlneoLcqOIAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-01T08:42:08.240205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407observed 1663f9a8ff9544704b7ccf68b4d20503...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T08:42:08.187018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/manifest.jsonobserved 454c0e3169de8e843e0bbf11f2f89370...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:42:08.098168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/publication.mdobserved a67a8cdd08bf796b0fc15c32ed8c2a8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:42:08.006894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/publication.txtobserved fd41c344424f0f86805c16ef95973cc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:05.595460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407observed 1663f9a8ff9544704b7ccf68b4d20503...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:05.573138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/manifest.jsonobserved 454c0e3169de8e843e0bbf11f2f89370...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:05.557147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/publication.mdobserved a67a8cdd08bf796b0fc15c32ed8c2a8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:05.513097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055407/publication.txtobserved fd41c344424f0f86805c16ef95973cc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|