OT-2026-000071477
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000071477) never changes.
Identity and time
| Publication number | OT-2026-000071477 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-7f5e-b413-bf86d683b849 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071477 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab8911baf875632dc0781b46779aecf1589a10f2b4822496ba13e87754706ccb |
|---|---|
| Markdown | 72d4526f303a9d0b68cbc94206bd6f125accacb788ce2c313a03baa7182bb9ab |
| Publication page | 44a11a708fe4516505091c48a5bf4372154b1107885a021285bd70de48cf0ab0 |
| Manifest | 609cb56179f1e0ffbc9554f8f3af5877338c254de666aacf1e87cb1b37350b23 |
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 | fOQukveB9vXB2kjR7OXA1m+YJeV76FnHUIBFp2PI1uAoytGgG7r73ZW8J3CQ1LBkFj24rHWA/tCMtWlBHCy6Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-09T00:41:47.906831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477observed 44a11a708fe4516505091c48a5bf4372...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T00:41:47.810242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/manifest.jsonobserved 609cb56179f1e0ffbc9554f8f3af5877...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:47.707939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/publication.mdobserved 72d4526f303a9d0b68cbc94206bd6f12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:47.537295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/publication.txtobserved ab8911baf875632dc0781b46779aecf1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:41.670648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477observed 44a11a708fe4516505091c48a5bf4372...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:41.541873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/manifest.jsonobserved 609cb56179f1e0ffbc9554f8f3af5877...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:41.389368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/publication.mdobserved 72d4526f303a9d0b68cbc94206bd6f12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:41.162401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071477/publication.txtobserved ab8911baf875632dc0781b46779aecf1...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 |
|---|