OT-2026-000022623
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000022623) never changes.
Identity and time
| Publication number | OT-2026-000022623 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-75b7-9539-c43dac31f402 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022623 |
| Status | PUBLIC |
Content hashes
| Canonical text | b0bcc85e32977bcac4e457d2671724882299220c7e4ef03af47d861a218b55ee |
|---|---|
| Markdown | 0c8cb213b2082d7d2082dfad59d519091d66d5652cc2b04497f1bfbda8eb8e72 |
| Publication page | 81909a0a3f2531a9ef83a27099626b4d108eae66d1b3033a81c1b0efe25d8c38 |
| Manifest | 6275cddea8564281fe384ee7b7a807b943a6979475d7c6187302ecef7f503874 |
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 | OPqVqg5v8HskXYYy3CjrtfU278BC7cH3/hN4tl2k1LYbQ7hEqicZFKsZZhlGSELFm9Y6Z/y9SACY8HO5ypXeCg== |
| 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
| 2026-09-17T11:51:59.810219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022623observed 81909a0a3f2531a9ef83a27099626b4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:51:59.793288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022623/manifest.jsonobserved 6275cddea8564281fe384ee7b7a807b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:51:59.775564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022623/publication.mdobserved 0c8cb213b2082d7d2082dfad59d51909...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:51:59.754136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022623/publication.txtobserved b0bcc85e32977bcac4e457d267172488...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|