OT-2026-000028741
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000028741) never changes.
Identity and time
| Publication number | OT-2026-000028741 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7c21-981e-8d91435087f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028741 |
| Status | PUBLIC |
Content hashes
| Canonical text | b72be43f3d023667c0e2b09fc2c2603d1abfd663221f5a687078c2b29f5510ae |
|---|---|
| Markdown | 9f3478d90c6542c5d68aee6db58f081dd7e547248ad3cc5b2e928d48b2d301a2 |
| Publication page | 5aad1f15f4ff9d10b74f143a2d390b792e80684af33266081da9a8b5f00f9aa4 |
| Manifest | 998a11d54bd1183eb496af6730e35b7f8d411b74747da8c02a0e5bae30f53cee |
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 | Arqya/kKfpE5f8MfjbqJjX+74dIHJPYKkI8RRvfK6GJ1ohvRsxgJKp6ibMpXVhgnpwRiJnHGio5ENCou0QutBw== |
| 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
| 2026-09-17T11:41:45.474004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028741observed 5aad1f15f4ff9d10b74f143a2d390b79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.456352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028741/manifest.jsonobserved 998a11d54bd1183eb496af6730e35b7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.435040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028741/publication.mdobserved 9f3478d90c6542c5d68aee6db58f081d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.414343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028741/publication.txtobserved b72be43f3d023667c0e2b09fc2c2603d...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. |
|---|