OT-2026-000074172
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074172) never changes.
Identity and time
| Publication number | OT-2026-000074172 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7178-70c5-84d0-99b89e9f8dd5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074172 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9b5ff77c4818ed0ea895398a5114b5065730280b6f631d14e674088010817ae |
|---|---|
| Markdown | 9753e57d5ad2695be53267ab7986d1d8571f7528bae98801df683486127b409f |
| Publication page | 4890c25d771603f6ec0d62a8fbf963e2aebb8e15076090ff09e2f40186a40066 |
| Manifest | a6e976e57e1a41cf04bfe96a7980a3105e0984a27f5a58229f65d67979b07f24 |
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 | IRHu5J+6FAfxAtmCpyIwvY9Agiftgdf6CzdWKvr4Xi9bH9t8R3l5jLXYfPplBdR5ZBblrw91Yy25YCAFcG4jDw== |
| 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
| 2026-09-17T10:19:01.370835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074172observed 4890c25d771603f6ec0d62a8fbf963e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:01.353587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074172/manifest.jsonobserved a6e976e57e1a41cf04bfe96a7980a310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:01.337849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074172/publication.mdobserved 9753e57d5ad2695be53267ab7986d1d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:01.321157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074172/publication.txtobserved d9b5ff77c4818ed0ea895398a5114b50...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. |
|---|