OT-2026-000052713
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000052713) never changes.
Identity and time
| Publication number | OT-2026-000052713 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7709-891a-75fb45c2dbd3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052713 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc2db4386693185e0a8d3e0ec4de17ac47bcc4c01d69c94297fa241472e43628 |
|---|---|
| Markdown | b22237688638462d3d10856a3cda4c96147e6a9d65f3c400ad3c69b522dafb0b |
| Publication page | a6117359dec31ad17309e4aa329f635302e77641e906489e0ac35b993c9a7424 |
| Manifest | 9ab15bd1b781a99d0f64be58d007b50e830df3329266453cf702d17a19cfbdae |
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 | cElEqHf3V17alV/5bb6mAjlrFDY6fFdqk40PBoEh4z+h3RPu9IRtDWFHYxaqjZsq7LbVKwfFqVE1cTzYRsTOAQ== |
| 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
| 2026-09-17T10:55:42.137331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052713observed a6117359dec31ad17309e4aa329f6353...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:42.119407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052713/manifest.jsonobserved 9ab15bd1b781a99d0f64be58d007b50e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.100453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052713/publication.mdobserved b22237688638462d3d10856a3cda4c96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.080213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052713/publication.txtobserved dc2db4386693185e0a8d3e0ec4de17ac...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. |
|---|