OT-2026-000029915
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000029915) never changes.
Identity and time
| Publication number | OT-2026-000029915 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7c70-be27-e52da777ec6e · 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-2026-000029915 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ae0848b1eedd95ee4b581bd629a17e05109117a33778ba1e419f000edd4646d |
|---|---|
| Markdown | 4b820b08d652c8c1cbed30959347f906c6efa0caae3d1835f2022bf8009a1a1d |
| Publication page | 864f6a3bd0ef3702651408275af6ba1232295262f042950f32ecf8d823aab7ff |
| Manifest | 29b8b1c2c2947535adfd5d59065ccaf256139250ad1c3fe0cafc78f15504788a |
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 | lRFu4OREimYCU1X1SssAF5HuAILx+2dyVg6CcaZMqodkb1BgEITIdjvLEvErbljvAnrWRdVNfeHk7Cw6T3oyDA== |
| 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
| 2026-09-17T11:38:37.205956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029915observed 864f6a3bd0ef3702651408275af6ba12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:37.189114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029915/manifest.jsonobserved 29b8b1c2c2947535adfd5d59065ccaf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.171750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029915/publication.mdobserved 4b820b08d652c8c1cbed30959347f906...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:37.154989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029915/publication.txtobserved 4ae0848b1eedd95ee4b581bd629a17e0...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. |
|---|