OT-2026-000089173
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000089173) never changes.
Identity and time
| Publication number | OT-2026-000089173 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-db00-7870-80bf-5d49f279f265 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:04.880043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089173 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cf0d328b5dbde24a82b662018c8ccdf88d89e6583c5403406ab074e42373af4 |
|---|---|
| Markdown | 4c9b774e8335fee8a8f7146d7d05b24e68204eff0d45fb8898abd1fafea0a20d |
| Publication page | 316485cab6a470f461c106b7e82861fe3741d01fbddfb06270ecc3d0e3f42ea3 |
| Manifest | fa3f7f56a7f09e3ed1e684b507c4ce34149b9d1d107cad1d4301d48bfa5774c2 |
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 | z4/IHuCxQ6efIgCBFVEsKZkBiZZTyFegKh5C2htgWn+fK0lz++dfJeIe24lI1eIkExYBpQG4bZQTUa8+MeXzBA== |
| 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
| 2026-09-17T09:47:10.982107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089173observed 316485cab6a470f461c106b7e82861fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:47:10.964499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089173/manifest.jsonobserved fa3f7f56a7f09e3ed1e684b507c4ce34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:47:10.946407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089173/publication.mdobserved 4c9b774e8335fee8a8f7146d7d05b24e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:47:10.928444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089173/publication.txtobserved 1cf0d328b5dbde24a82b662018c8ccdf...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. |
|---|