OT-2026-000057420
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057420) never changes.
Identity and time
| Publication number | OT-2026-000057420 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5be-7c96-a8bf-47756af53ace · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c9ee6479e93e86b12e4fda16b8c1ef96f197ac945bf65fce7d5847e7f32042a |
|---|---|
| Markdown | 0f305dd3dce0fa6906a154d1eda8ad910f135bea0714911cc86908fb841c166b |
| Publication page | 9b588d770649691fc38005e0135851c023114716c1889471336ca027fedbee23 |
| Manifest | 0f096f943f0d20559859936943ec254dec5bd5607db94dd0b2611e34c071a16f |
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 | 3aWAp2Zlk5HLDCma3CkgD1eAZBGfWVF+JYCqPvLK6lHSUDv60wkPQWaLrFYLnUf5rLWzYRFd1Fc/9kb4XU65Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:49:42.675620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057420observed 9b588d770649691fc38005e0135851c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:42.659650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057420/manifest.jsonobserved 0f096f943f0d20559859936943ec254d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:42.642612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057420/publication.mdobserved 0f305dd3dce0fa6906a154d1eda8ad91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:42.623031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057420/publication.txtobserved 9c9ee6479e93e86b12e4fda16b8c1ef9...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. |
|---|