OT-2026-000087491
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump 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-2026-000087491) never changes.
Identity and time
| Publication number | OT-2026-000087491 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd51-7701-aed9-17e1457741dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087491 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab3bf50ba8c814cc75d4bb22fe72665674b7a46f9bb7f1424292630b17482ce0 |
|---|---|
| Markdown | 0df245a044b18b05af1bb107f8cedce31dbcdc12ec9d513f516a33aab1b30697 |
| Publication page | 46aaefae95b4d53f9f6ce462397381e605622e5c38ab0ce721e46007e1b2b06b |
| Manifest | 6222238f35cd33e7dc758daf61e887c2ba11b26496dc6b58248f1185b3d59923 |
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 | 8WguiDj4AfdYPL9JAnhMP74mML/yZ/Wqz4HQW7SPEQ58u3uNDnHdq1GIcg32Q91r4fk2G8TmhDyHVFX1L5EXDw== |
| 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
| 2026-09-17T09:50:49.327266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087491observed 46aaefae95b4d53f9f6ce462397381e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:50:49.311596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087491/manifest.jsonobserved 6222238f35cd33e7dc758daf61e887c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:49.295067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087491/publication.mdobserved 0df245a044b18b05af1bb107f8cedce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:49.279086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087491/publication.txtobserved ab3bf50ba8c814cc75d4bb22fe726656...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. |
|---|