OT-2026-000043152
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043152) never changes.
Identity and time
| Publication number | OT-2026-000043152 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327a-7890-bc84-cb765ea5a041 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043152 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d6aec8353a1c3809e6d9d93a58a8f43ce1d071061d718de21a4cd494baa5eae |
|---|---|
| Markdown | 4dca973abba2cbb55013d9f1418b436c17779f915fec6629967b0a5bee73b1a3 |
| Publication page | 38c6c4e63c652b3ee3f0220ba6d009b6e6533cfb841e78e8cca9e9b18cebcb66 |
| Manifest | be81e84387578647417accb014a3e8f536967a5821f00685292bdd4a823ddd02 |
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 | 5K41Vlk/FVjdRt9d9jmXnl9yU8v16XiUuiAdcT5RVSf90UgVjhEatxA29Ojya6AE2cEmM2hSlimZDbE9U/UCAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-13T08:41:54.110813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152observed 38c6c4e63c652b3ee3f0220ba6d009b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T08:41:54.041222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/manifest.jsonobserved be81e84387578647417accb014a3e8f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:53.956052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/publication.mdobserved 4dca973abba2cbb55013d9f1418b436c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:53.810495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/publication.txtobserved 8d6aec8353a1c3809e6d9d93a58a8f43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:26.906776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152observed 38c6c4e63c652b3ee3f0220ba6d009b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:26.835966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/manifest.jsonobserved be81e84387578647417accb014a3e8f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:26.736100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/publication.mdobserved 4dca973abba2cbb55013d9f1418b436c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:26.597290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043152/publication.txtobserved 8d6aec8353a1c3809e6d9d93a58a8f43...fetched by grabo-systems from 34.44.131.203, 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 |
|---|