OT-2026-000031891
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000031891) never changes.
Identity and time
| Publication number | OT-2026-000031891 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7807-8179-fc69840683f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e5b8b6dad8b39ee29a1b4ce4d40accec0c041a0c9871f90b8ea0ed2115977ba |
|---|---|
| Markdown | 18cc56df04ac80490c4c624bf26a11f2c47e1c8fdd293f78ed2ef9f88e755b2c |
| Publication page | 15faf77d10129e32bd608a8de36c298fb4069f3a586623e49db845766dba6ea7 |
| Manifest | eb0c09f49e519bca51a8ade8a25c4f4ce6447262dc00548d263cd94ccbfb2d08 |
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 | qtgw1Zhdi9Kcd4gQvu+hbqpsKQ5cfcdLJw6NOJ7Zt1WLzn/zxzhPIosfCDSBMtIMg7/ocgXR5aGLQlepSsotAQ== |
| 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
| 2026-10-23T08:41:59.499964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891observed 15faf77d10129e32bd608a8de36c298f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:41:59.426999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/manifest.jsonobserved eb0c09f49e519bca51a8ade8a25c4f4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:59.345407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/publication.mdobserved 18cc56df04ac80490c4c624bf26a11f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:59.264466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/publication.txtobserved 9e5b8b6dad8b39ee29a1b4ce4d40acce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:42.944248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891observed 15faf77d10129e32bd608a8de36c298f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:42.842240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/manifest.jsonobserved eb0c09f49e519bca51a8ade8a25c4f4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:42.734899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/publication.mdobserved 18cc56df04ac80490c4c624bf26a11f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:42.604434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031891/publication.txtobserved 9e5b8b6dad8b39ee29a1b4ce4d40acce...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 |
|---|