OT-2026-000029447
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000029447) never changes.
Identity and time
| Publication number | OT-2026-000029447 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7652-ab75-c5008168f605 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029447 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ac3ec2d4d9d33039bc403fa8a09fda70c62c7db76fd4d964a0c09b4102e0855 |
|---|---|
| Markdown | 1becac8662780c07b093960e63d296859f0204c2f8abb6070063f72f3e34e95e |
| Publication page | 51a8516c1cc7ddebe9d7c8afe093c2f032a5427c7d8e986d7d9ca1f9e4183aeb |
| Manifest | d019faa66deda46f2fc081f26eb23485bc151ec7a03f99de8bc014e8ca746731 |
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 | Tz/3Y5yKxo2tPoHz9YRkw03BLrio2NFDPxKjD6RSr9F8rAEgDFfZRK7Cgl7CfdyJhYC9W9kDurZGqScJipi2Cw== |
| 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
| 2026-09-17T12:42:02.824144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447observed 51a8516c1cc7ddebe9d7c8afe093c2f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:42:02.634004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/manifest.jsonobserved d019faa66deda46f2fc081f26eb23485...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:02.469151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/publication.mdobserved 1becac8662780c07b093960e63d29685...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:02.218485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/publication.txtobserved 6ac3ec2d4d9d33039bc403fa8a09fda7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:04.023641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447observed 51a8516c1cc7ddebe9d7c8afe093c2f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:04.005271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/manifest.jsonobserved d019faa66deda46f2fc081f26eb23485...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:03.985230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/publication.mdobserved 1becac8662780c07b093960e63d29685...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:03.966016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029447/publication.txtobserved 6ac3ec2d4d9d33039bc403fa8a09fda7...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. |
|---|