OT-2026-000021721
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000021721) never changes.
Identity and time
| Publication number | OT-2026-000021721 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-712f-97b7-2f2f4d5bd457 · 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-2026-000021721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e10bb22f78253802df074a3f5353ce01c54e6e7c92c4e3f51add486979225e6 |
|---|---|
| Markdown | cc8e9cfb7195bd0062b61792132e9e4b87ad365e750e64360021e708d8e5d9ce |
| Publication page | 944ca0d8502831a8e97470e858820e14179dd65ae44add25aae42eea8ebd768c |
| Manifest | 41ec6d3e21622cbef95e54df105ea11935b6de8d6ae743da5fe5eb2356df45bd |
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 | qchbV62wT3HlPFOc/EzjgBwJDPeDOZNNstLe44t/x4puirEIlKoDpAwsx3Ccdl8nRO0krJpGAVkT2ON7w26GDw== |
| 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
| 2026-09-17T11:54:04.263571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021721observed 944ca0d8502831a8e97470e858820e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:04.244240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021721/manifest.jsonobserved 41ec6d3e21622cbef95e54df105ea119...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.225407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021721/publication.mdobserved cc8e9cfb7195bd0062b61792132e9e4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.208422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021721/publication.txtobserved 7e10bb22f78253802df074a3f5353ce0...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. |
|---|