OT-2026-000020303
Publication integrity record
Four cup vacuum gripper, four zone face, 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-2026-000020303) never changes.
Identity and time
| Publication number | OT-2026-000020303 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-706c-8c7f-72d11abb8145 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020303 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ac5bd94b9042485c028d1df5130de3c2e4e13a5c095bebc635c6e18729c9226 |
|---|---|
| Markdown | c2b883d271ed9f05c9f8c5ae3e000cfb14948f11f3fdced789546ddaa0ea1981 |
| Publication page | a50978801b7a7e01dc32269309a9210d8808b193d932bee39b8e351330d4145d |
| Manifest | abe5250c02fe3eeb4262aa6c11f3b6a572ecfead76487529d2b14afd644a9d23 |
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 | olV5h4HkU5wRLEF3eJtl4XHnJPytNQF/AkcfQs7xsSdvX5D/rfmgQzZogQkZ0ByDPDRQAy6MhIxn6tQs7aNTDQ== |
| 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
| 2026-09-17T11:56:40.317427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020303observed a50978801b7a7e01dc32269309a9210d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:40.297332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020303/manifest.jsonobserved abe5250c02fe3eeb4262aa6c11f3b6a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.278305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020303/publication.mdobserved c2b883d271ed9f05c9f8c5ae3e000cfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.256883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020303/publication.txtobserved 8ac5bd94b9042485c028d1df5130de3c...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. |
|---|