OT-2026-000004686
Publication integrity record
Vacuum cup gripper, common isolation valve, ejector fed, pressure verified, contact triggered on the face
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-2026-000004686) never changes.
Identity and time
| Publication number | OT-2026-000004686 · never reused |
|---|---|
| Internal UUID | 01a0a920-229e-75ac-ae10-7d493ad76c6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:50.657400Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004686 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4d782871d8e419cc8f549ad18f7cb3b9737a1d0d5cee6da4915dcdef02dc2ae |
|---|---|
| Markdown | 78090eb994051629e756cb034b61db4169f30616ac8e88983ff73f4a9b1a1b8e |
| Publication page | 90a83d16e49167e4be473bfcbdfad703768e07cc84ff2b97d8b45847496335fd |
| Manifest | af9656362bbd711d1e4455a6ae38acfab089aab1a62c73950eb22cc89eda23f6 |
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 | 0UK5el7rujkfYVvlH4nIv9NPLdXkAlqYINRktCTTa9s/OMPM0CeVgXXvNqpolj9lJhGppd+out2J7g1+widEDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-10-26T04:23:36.078841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686observed 90a83d16e49167e4be473bfcbdfad703...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:23:36.067999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/manifest.jsonobserved af9656362bbd711d1e4455a6ae38acfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:36.055806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/publication.mdobserved 78090eb994051629e756cb034b61db41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:35.909540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/publication.txtobserved f4d782871d8e419cc8f549ad18f7cb3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:23:35.717829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686observed 90a83d16e49167e4be473bfcbdfad703...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:23:35.678317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/manifest.jsonobserved af9656362bbd711d1e4455a6ae38acfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:23:35.657513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/publication.mdobserved 78090eb994051629e756cb034b61db41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:23:35.555267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004686/publication.txtobserved f4d782871d8e419cc8f549ad18f7cb3b...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 |
|---|