OT-2026-000078681
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078681) never changes.
Identity and time
| Publication number | OT-2026-000078681 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbb-7738-98df-d1dbd7cdaf6b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63fee8cd1298c9db31a4c0982fe00246b18b7a15bec3934e8783afdd24c88499 |
|---|---|
| Markdown | f1f82b21bfbdf9d1bb22f374154e0bc458332787f1f778d3c0ba4910c57774ab |
| Publication page | 517c93cd3f286dd3d5fe5db6328017b2fa1efa2f196e18c971b990ca86fc15d6 |
| Manifest | 46c9c11d7f525d0a2319f5915a3be420563feed1474722a5b4bb6839311bc753 |
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 | utSWvCVUPQjM2ffyVndH1PlXUwaS3Ce7IFKQoQf8oNQ77kNoV0L54OHC0HhGavOFTvnmksuhPWsAohMSrsfKDA== |
| 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
| 2026-09-17T10:05:27.508773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078681observed 517c93cd3f286dd3d5fe5db6328017b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:27.489831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078681/manifest.jsonobserved 46c9c11d7f525d0a2319f5915a3be420...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:27.472178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078681/publication.mdobserved f1f82b21bfbdf9d1bb22f374154e0bc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:27.454928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078681/publication.txtobserved 63fee8cd1298c9db31a4c0982fe00246...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. |
|---|