OT-2026-000021732
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-2026-000021732) never changes.
Identity and time
| Publication number | OT-2026-000021732 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7fdf-8525-3610d974607e · 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-2026-000021732 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef4d172a86740a44b52f1a0129f8a3f22990140bae73de90749d6332d3c60304 |
|---|---|
| Markdown | 055562e0e538d8f30bf6bc4bb619dc5724c67d050db825ef5dd0e260a07cbde7 |
| Publication page | 94e99d0e55a6ce651b717857d305ea71677d8ab77df332e19914dd47163546e1 |
| Manifest | b447eb0b9483335d0c8b89aa93845dbf2d575374c1ff2d565a183da260f512f5 |
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 | BAnEon4XyfCobPoJQIJCHYW+XEHlWl69NGDdnCywHADTJvkH/TuI0wayyByxNnV46//wRF8EALGjH3fl04zvCQ== |
| 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
| 2026-09-17T11:54:16.263116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021732observed 94e99d0e55a6ce651b717857d305ea71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:16.245717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021732/manifest.jsonobserved b447eb0b9483335d0c8b89aa93845dbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.227863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021732/publication.mdobserved 055562e0e538d8f30bf6bc4bb619dc57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.210376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021732/publication.txtobserved ef4d172a86740a44b52f1a0129f8a3f2...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. |
|---|