OT-2026-000076331
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076331) never changes.
Identity and time
| Publication number | OT-2026-000076331 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a70-7892-bd25-067f48511300 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076331 |
| Status | PUBLIC |
Content hashes
| Canonical text | e913aed7c08978f84762ad1a6b969c7b63c867c694e47a5ee7b430c479959b3b |
|---|---|
| Markdown | e081493f9e0514aac07c42da868e6109977e8d7c36a8db01ca35dd15ea4a0326 |
| Publication page | 540a0bd713eee70b4d33b79ebf53932fb495b8b3d3612e8c4b50224e14909825 |
| Manifest | 9b09592948dcc6601036dd06f557b0f09edb18d020a3b5a65781380ef14b98bb |
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 | vX2hiIu5Qsl4fk6eXbp605ImmYVkbzl2kzb6tLeDb2z1cCFLhBxcAR2Mpk4HeNZlq40lp/p96glxLQhWbSD3Bg== |
| 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
| 2026-10-11T20:41:34.458164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331observed 540a0bd713eee70b4d33b79ebf53932f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T20:41:34.310125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/manifest.jsonobserved 9b09592948dcc6601036dd06f557b0f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:34.196924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/publication.mdobserved e081493f9e0514aac07c42da868e6109...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:34.083005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/publication.txtobserved e913aed7c08978f84762ad1a6b969c7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:26.567597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331observed 540a0bd713eee70b4d33b79ebf53932f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:26.489021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/manifest.jsonobserved 9b09592948dcc6601036dd06f557b0f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:26.394548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/publication.mdobserved e081493f9e0514aac07c42da868e6109...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:26.300496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076331/publication.txtobserved e913aed7c08978f84762ad1a6b969c7b...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 |
|---|