OT-2026-000088172
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000088172) never changes.
Identity and time
| Publication number | OT-2026-000088172 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa8-7c23-b67a-230069a73fb9 · 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-2026-000088172 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4fe34bca472993a06cafa249194e5e6cf60ba89a59a6abe0fd200532f3c08f6 |
|---|---|
| Markdown | 9a4e936fd611ddc67ddd495d522caf5fa86fccf9546c0155860ee72120546e77 |
| Publication page | 301abf491b399834934ce9cfaec030d36f86728242a3107244d010c521fc9506 |
| Manifest | b2f853af3650a8d634cc9e4e9ec0e62c790efaf3ea30be7a0fdc8b4a3d8667fc |
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 | aO4eHMhg5K6Dyz4tJtWe5YN73GhaR95iOZ3m4qKE6CcO+ufHlkDDOapDmVH7HkdX9fu94YIynRUEkJmktZr6BQ== |
| 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
| 2026-09-17T09:50:14.000262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172observed 301abf491b399834934ce9cfaec030d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:50:13.980647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/manifest.jsonobserved b2f853af3650a8d634cc9e4e9ec0e62c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:13.959629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/publication.mdobserved 9a4e936fd611ddc67ddd495d522caf5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:13.941752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/publication.txtobserved e4fe34bca472993a06cafa249194e5e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:12.353543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172observed 301abf491b399834934ce9cfaec030d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:12.336794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/manifest.jsonobserved b2f853af3650a8d634cc9e4e9ec0e62c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:12.318390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/publication.mdobserved 9a4e936fd611ddc67ddd495d522caf5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:12.300512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088172/publication.txtobserved e4fe34bca472993a06cafa249194e5e6...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
| Custody package | Pending Custody packages are produced weekly. |
|---|