OT-2026-000021729
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-2026-000021729) never changes.
Identity and time
| Publication number | OT-2026-000021729 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7093-a517-a676ca752f53 · 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-2026-000021729 |
| Status | PUBLIC |
Content hashes
| Canonical text | 956e61ed727a0e63a6c88450a6bcdfdaf2ef8802ff4a3a4710dde42c0f88bfb1 |
|---|---|
| Markdown | cd4d3f4ebffad1d7266178ea45a5ef72c5c5d7cba560f0211c246e78d7194a0b |
| Publication page | 77a867f65fa75765e31ebb2c7eacb86feeddd8c8019d539db145c834f8663a22 |
| Manifest | fceb310bab416480a966bcc3560f119a52e50e30a7eca9ac86476da841f41450 |
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 | /Zgcr4Jew8Kx5xLJoOKRB02FTijAdUsMiIrRC1LgmRmBac4hE4kUez/8EhXvIFn2ze2jQQWvIhOtwg0YV90vAw== |
| 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
| 2026-09-17T11:54:06.016492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021729observed 77a867f65fa75765e31ebb2c7eacb86f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:05.999672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021729/manifest.jsonobserved fceb310bab416480a966bcc3560f119a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:05.981425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021729/publication.mdobserved cd4d3f4ebffad1d7266178ea45a5ef72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:05.965208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021729/publication.txtobserved 956e61ed727a0e63a6c88450a6bcdfda...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. |
|---|