OT-2026-000021728
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000021728) never changes.
Identity and time
| Publication number | OT-2026-000021728 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7f9d-972a-f4561d5e9d79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021728 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80d7b51ce362494151b24b09a3855449efe4647e733050016afd642eca8160e |
|---|---|
| Markdown | 4feb4b0fbdf30be16d0689ca9387aa37df9a1ec49705c96929510d9b6e56ecce |
| Publication page | 80757d5b35119513b62056d13325205e0079a1dc2b86bf081b3dec9c7132775c |
| Manifest | df249877e7b91fd0fd0d12d3a4516e14b33636d7e5b76e4e1731f8e944662167 |
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 | qS1DbgUW34nOsbLUgK1y28Giz1VNVIP+fLya7FaB7L0dT4bpVWMIYLDURc9ZotbTqBPezZGiheUMMkQr5u2VBw== |
| 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
| 2026-09-17T11:54:16.187290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021728observed 80757d5b35119513b62056d13325205e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:16.166715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021728/manifest.jsonobserved df249877e7b91fd0fd0d12d3a4516e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.147057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021728/publication.mdobserved 4feb4b0fbdf30be16d0689ca9387aa37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.129430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021728/publication.txtobserved e80d7b51ce362494151b24b09a385544...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. |
|---|