OT-2026-000012623
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000012623) never changes.
Identity and time
| Publication number | OT-2026-000012623 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5561-75fd-a5be-c24b816c4176 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c84bba6669fc83b923fffab78fc5b86d60cf4e6e56730a7e01b5b8b94285ec3 |
|---|---|
| Markdown | 1b87c672b588084669f63707632fbbb3fd4f66c85428863b2a43b46f85f69c64 |
| Publication page | 473f0e09f26ce3602080810a1f53101ff3e0ea585d959087bdabc6eccc3c7940 |
| Manifest | d22971b8f30248d0a13a40c741bfa14bc29ca2972d40817adb44cc1b2ba20cb0 |
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 | y51tAC55wYlpitDKl5MK4pyFYjXW1cODAEvo2juQ/HfzOd6PyuX0EMlttTlf7rOATsYWTD7poWxUG5D3av2iBQ== |
| 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
| 2026-09-18T08:42:02.046155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623observed 473f0e09f26ce3602080810a1f53101f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T08:42:01.815307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/manifest.jsonobserved d22971b8f30248d0a13a40c741bfa14b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:01.643161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/publication.mdobserved 1b87c672b588084669f63707632fbbb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:01.323848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/publication.txtobserved 7c84bba6669fc83b923fffab78fc5b86...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:13.440522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623observed 473f0e09f26ce3602080810a1f53101f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:13.420265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/manifest.jsonobserved d22971b8f30248d0a13a40c741bfa14b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:13.402251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/publication.mdobserved 1b87c672b588084669f63707632fbbb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:13.380715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012623/publication.txtobserved 7c84bba6669fc83b923fffab78fc5b86...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 |
|---|