OT-2026-000021850
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000021850) never changes.
Identity and time
| Publication number | OT-2026-000021850 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7daf-8bed-cd99d635ea2c · 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-2026-000021850 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7f7c559515847226989ac2144852b069d5c6e1d2b9848657781418026033758 |
|---|---|
| Markdown | b5316f8c72612fab24b798702feb24c700fe144166f494055845081d4c11c25d |
| Publication page | 295f2273bfc9530c8693a03e89efd290889fa28b9af375af558c2e76f95d963d |
| Manifest | 065ba58252f3fee98b3d4d623552f49c9eda3e54d9c2f17f3daf49e7c29a08c8 |
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 | DZjlw9NqaIPS9E7m73n2YOgyz+eXEcWhk8N4/XzFIBO+ZEJBxyrV8IQ/phB1KfgB/xUb7UxFuCQlHrvtXY2ACA== |
| 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
| 2026-09-17T11:54:24.585121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021850observed 295f2273bfc9530c8693a03e89efd290...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:24.568392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021850/manifest.jsonobserved 065ba58252f3fee98b3d4d623552f49c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.550151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021850/publication.mdobserved b5316f8c72612fab24b798702feb24c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.533824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021850/publication.txtobserved f7f7c559515847226989ac2144852b06...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. |
|---|