OT-2026-000029899
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029899) never changes.
Identity and time
| Publication number | OT-2026-000029899 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7fec-baa2-d2e1059b8a6c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029899 |
| Status | PUBLIC |
Content hashes
| Canonical text | de0e04188e7249a4c641b99eb58fec4cec57687ee1066d93f222f77bd5365025 |
|---|---|
| Markdown | 30b86010a6b38d9093d7ee0e7a18e9f8aa2449a8ff332526f8caa3dd04ba025c |
| Publication page | 0f8500becc71ede920be9859c5d51370e5834cbb1e1d2ceed0d0a417a776498e |
| Manifest | 5aea4c12722092cd00016ef6cf7d9821b1c60bbaa7421547fe2406f13abc0f2b |
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 | mQRA0i8hC8uS3/PWK17Q1k1rPK2TFZVxpv7+eyps/bdRmjt3dM026o4hBhV05HWYKWCzEUqatDc4VLfZHRceDg== |
| 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
| 2026-10-09T08:42:00.851678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899observed 0f8500becc71ede920be9859c5d51370...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T08:42:00.747722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/manifest.jsonobserved 5aea4c12722092cd00016ef6cf7d9821...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:00.640132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/publication.mdobserved 30b86010a6b38d9093d7ee0e7a18e9f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:00.408622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/publication.txtobserved de0e04188e7249a4c641b99eb58fec4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:29.405661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899observed 0f8500becc71ede920be9859c5d51370...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:29.334166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/manifest.jsonobserved 5aea4c12722092cd00016ef6cf7d9821...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:29.247578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/publication.mdobserved 30b86010a6b38d9093d7ee0e7a18e9f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:29.163546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029899/publication.txtobserved de0e04188e7249a4c641b99eb58fec4c...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 |
|---|