OT-2026-000089728
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089728) never changes.
Identity and time
| Publication number | OT-2026-000089728 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-1a22-72f6-8127-ccee38d626ca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:21.039513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089728 |
| Status | PUBLIC |
Content hashes
| Canonical text | f692e5db3ecca94ef1efa76cdafb8583758b3c27a29607a1ba96f6bed989a566 |
|---|---|
| Markdown | 7480f04ae30b43d560df7fdac8b22ab6200953157082b3639c5118fd32afaa3a |
| Publication page | 1f941daf9d09f8b28315a957fcdd0839c1ffe570ca2212dd84014079e556b55f |
| Manifest | 4b58899f3fdd8b023b92739636541e2b303c31d7d02022e9f3e365ae0c4d6f06 |
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 | Dq9tLcYC55B4y1TTTDgpOYxpZYTQ8Wi5MaWrX/BdGWOPcVoX61BRlOI5piiS9O9chP6imQlxCe8M6/5TKhCSAg== |
| 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
| 2026-09-17T09:46:44.066645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089728observed 1f941daf9d09f8b28315a957fcdd0839...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:44.049615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089728/manifest.jsonobserved 4b58899f3fdd8b023b92739636541e2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.032504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089728/publication.mdobserved 7480f04ae30b43d560df7fdac8b22ab6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.014163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089728/publication.txtobserved f692e5db3ecca94ef1efa76cdafb8583...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. |
|---|