OT-2026-000071147
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000071147) never changes.
Identity and time
| Publication number | OT-2026-000071147 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0eb-748a-ad80-e7d28d16c787 · 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-2026-000071147 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8acacf40287cb4e6e1fe6d1c045683ebd73f2a1a36bc214776538873cb83ef9 |
|---|---|
| Markdown | f8ac8208e692c46c4d95151539f04c7497f9a0a3f843b1c9d6aceea6925d983e |
| Publication page | 50fd4834dca3e38179de9930c9d86e1b89b4b36c09f34db5fd985b9bd15c7ca7 |
| Manifest | c19e1ca5f951f18b061deef5d6b3e6315ff64efdf678f115827f5c96baba1d97 |
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 | OhKJEEiZo/H+nU8hF9Z2N1CBcFlCAhorQm26wEx5/zhTCyMLTGu5lNJMeS2Pn+UEN+7AZHa27E6XrqTkTNdUDA== |
| 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
| 2026-11-03T12:41:51.792587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147observed 50fd4834dca3e38179de9930c9d86e1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T12:41:51.745809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/manifest.jsonobserved c19e1ca5f951f18b061deef5d6b3e631...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:51.663639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/publication.mdobserved f8ac8208e692c46c4d95151539f04c74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:51.511362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/publication.txtobserved b8acacf40287cb4e6e1fe6d1c045683e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:23.516250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147observed 50fd4834dca3e38179de9930c9d86e1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:23.468980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/manifest.jsonobserved c19e1ca5f951f18b061deef5d6b3e631...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:23.386998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/publication.mdobserved f8ac8208e692c46c4d95151539f04c74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:23.299453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071147/publication.txtobserved b8acacf40287cb4e6e1fe6d1c045683e...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 |
|---|