OT-2026-000021320
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000021320) never changes.
Identity and time
| Publication number | OT-2026-000021320 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7739-8b3e-4466a7fe1674 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021320 |
| Status | PUBLIC |
Content hashes
| Canonical text | b878d1e41610f8199773ee859c1dc4b56451890d4c68482ebc396ebd016edced |
|---|---|
| Markdown | f04f372b9d305e76ec0d50899a6ef3a0d74765eddc99edef793569a4c90607c2 |
| Publication page | 8b27322e23a9c7fe1a832cb0994c5789ac137e3f796954e8678fb6e95236540d |
| Manifest | cd2394c359ee4183c0e6ee0aafaa79295cd237785aa21c2d513ccda3eb12fbd0 |
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 | SP8v/nOtri95WIwFi3Rcak8MoYLqEt3gNYQDGuSMrKxqS7u0gDr7zfZLpOAieNpVSjwUOtKZXEv/7AGtugNKDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:49.425513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021320observed 8b27322e23a9c7fe1a832cb0994c5789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.409241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021320/manifest.jsonobserved cd2394c359ee4183c0e6ee0aafaa7929...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.390780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021320/publication.mdobserved f04f372b9d305e76ec0d50899a6ef3a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.346382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021320/publication.txtobserved b878d1e41610f8199773ee859c1dc4b5...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. |
|---|