OT-2026-000055439
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000055439) never changes.
Identity and time
| Publication number | OT-2026-000055439 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7f20-a093-3181b3967c92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 05e938b873bec426b4220ebad7503a9c386b5fe0b502f2ac3e631ffc3516683d |
|---|---|
| Markdown | d3e8a9d42922e9be575026cf784ad4149707287323aa5997d0b1c9a13f25a85a |
| Publication page | 4b248742aea4f12485a6837a73d136f53767e2e16e986168e097cc089ca73f7b |
| Manifest | e4d6c907da24d4f9cd0c19071eecb9053ab076cfb6cb88ff0fcf6a4f4c19c58a |
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 | PpVALfIlwVMMWRyBIVg9bTthmZwc4p7XINNcpHkI7PetoBnIoqsUvBR+SOTcaTmOappkGpsTEtAuP3Q8RmPRDw== |
| 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
| 2026-09-17T10:52:05.408938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055439observed 4b248742aea4f12485a6837a73d136f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:05.390918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055439/manifest.jsonobserved e4d6c907da24d4f9cd0c19071eecb905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:05.374162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055439/publication.mdobserved d3e8a9d42922e9be575026cf784ad414...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:05.357593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055439/publication.txtobserved 05e938b873bec426b4220ebad7503a9c...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. |
|---|