OT-2026-000072961
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072961) never changes.
Identity and time
| Publication number | OT-2026-000072961 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-70af-9d16-18b919238050 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072961 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9fe48c780f3ca176d9db8838fca070f68e4a57f47183c88a997ce3e5a5f2e8a |
|---|---|
| Markdown | 172e8dbc59e5215646a8db755bf95b2580be13b11de51a1503a8ba7703dbdf76 |
| Publication page | 455d339a6dd79ceeb676e16e76732b3d412a9f452de6a9d64e2965cc039ca354 |
| Manifest | 89dea73d0abd861cef5df59c78c470d4d040fbf19267118bbd57ba6c2634bb32 |
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 | yOhD3iu4nDnjTyrT2vnOVpQyGeUtZaTCktyt/4DG1x6JYLPilpqe2/hYOr2+lTYNLZKH9vlJy3B/Cko6cYdcCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:21:53.147458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072961observed 455d339a6dd79ceeb676e16e76732b3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:53.131373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072961/manifest.jsonobserved 89dea73d0abd861cef5df59c78c470d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:53.112104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072961/publication.mdobserved 172e8dbc59e5215646a8db755bf95b25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:53.094062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072961/publication.txtobserved c9fe48c780f3ca176d9db8838fca070f...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. |
|---|