OT-2026-000087789
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087789) never changes.
Identity and time
| Publication number | OT-2026-000087789 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa4-76a6-85f6-1f715dd096df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087789 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c4b32935696519da78a7b3b0a9f257e9e30258cb38d9a3e9763251b722cc6a3 |
|---|---|
| Markdown | fc3930a70e7a674d0330606ecf91499966970d9c0a66ca9ed75aa6f5fdccb571 |
| Publication page | 481d623b5b01174fb500207d6413853c5ab98b5fddee32878226ab1a1341171b |
| Manifest | 055251681370df3e0842beb5aef0c3cf83e6ada26ea5119eedb02dd420dd9f6e |
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 | 6gqcQw1WCFFhtgCm21PMCkBzlZqxc6ZuFLjjkmh9fcI3hjn6xHwnaGZIhnaXMJrXKanwod5x9B1fGhay3y3dCA== |
| 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... |
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Independent retrieval
| 2026-10-08T08:41:54.089514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789observed 481d623b5b01174fb500207d6413853c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T08:41:53.998763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/manifest.jsonobserved 055251681370df3e0842beb5aef0c3cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:53.907472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/publication.mdobserved fc3930a70e7a674d0330606ecf914999...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:53.775412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/publication.txtobserved 1c4b32935696519da78a7b3b0a9f257e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:43.304369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789observed 481d623b5b01174fb500207d6413853c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:43.253752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/manifest.jsonobserved 055251681370df3e0842beb5aef0c3cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:43.166169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/publication.mdobserved fc3930a70e7a674d0330606ecf914999...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:43.076611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087789/publication.txtobserved 1c4b32935696519da78a7b3b0a9f257e...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 |
|---|