OT-2026-000053507
Publication integrity record
Foam pad vacuum gripper, four zone face, three 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-2026-000053507) never changes.
Identity and time
| Publication number | OT-2026-000053507 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-7f97-9b13-1318f8904c29 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 203e13ec6df744415577b8c66cd8305c8a1970106668aea9759e46fd23539aec |
|---|---|
| Markdown | 2aecf378e403d231dab96f27dbbd0bcbf3b300c7cc4939e1534bee226720577a |
| Publication page | ecfa4408070a68af4d1f98898f8253680d35e7868af5df900e9c85abeff0fb70 |
| Manifest | 76082318a0d69a410ba8086fa2648c500fd4a5442c52d728973dfe58bc116969 |
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 | cAXWjRYxvKsJL3Az92+sFinxcvVnwktBFIIisu403W5eOmvspIVS0xT3bJXc32z0uhQ26+7ZNw/8A79KtIVwCw== |
| 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
| 2026-10-30T08:41:36.550814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507observed ecfa4408070a68af4d1f98898f825368...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:36.499424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/manifest.jsonobserved 76082318a0d69a410ba8086fa2648c50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:36.447950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/publication.mdobserved 2aecf378e403d231dab96f27dbbd0bcb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:36.386977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/publication.txtobserved 203e13ec6df744415577b8c66cd8305c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:06.170698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507observed ecfa4408070a68af4d1f98898f825368...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:06.155795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/manifest.jsonobserved 76082318a0d69a410ba8086fa2648c50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:06.139590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/publication.mdobserved 2aecf378e403d231dab96f27dbbd0bcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:06.114114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053507/publication.txtobserved 203e13ec6df744415577b8c66cd8305c...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 |
|---|