OT-2026-000020712
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020712) never changes.
Identity and time
| Publication number | OT-2026-000020712 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7fe0-a34c-eab8bb65138f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020712 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45d74cd82a6a1850243c85c2ad2949f437a60ec9d2a5f4938c305f9f49b61274 |
|---|---|
| Markdown | 6fc1d492bf1ae15fcd56572aeeecf183109862eb7722c5e6c8e6bdb3b2e81628 |
| Publication page | 9d374a060689ed97894766aae91e966fa67cb67168a2bba0892b17a5f0af7354 |
| Manifest | 7231e215e28ae5c21555f5451f5a1d6b38e36ce47463338ab9b53accb95e8b95 |
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 | DWGWZqCxKGVX8cBYzXdWgdVPyTnGGNwUg6LlX7rzjVoLuZJi3DtUb0LneJtZgUCVTBO/nqih50bfLptD2JdjAg== |
| 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
| 2026-11-01T04:41:21.238717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712observed 9d374a060689ed97894766aae91e966f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:41:21.174158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/manifest.jsonobserved 7231e215e28ae5c21555f5451f5a1d6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:21.125473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/publication.mdobserved 6fc1d492bf1ae15fcd56572aeeecf183...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:21.056416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/publication.txtobserved 45d74cd82a6a1850243c85c2ad2949f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:06.191042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712observed 9d374a060689ed97894766aae91e966f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:06.091959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/manifest.jsonobserved 7231e215e28ae5c21555f5451f5a1d6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:05.980142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/publication.mdobserved 6fc1d492bf1ae15fcd56572aeeecf183...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:05.838875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020712/publication.txtobserved 45d74cd82a6a1850243c85c2ad2949f4...fetched by grabo-systems from 34.44.131.203, 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 |
|---|