OT-2026-000028484
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000028484) never changes.
Identity and time
| Publication number | OT-2026-000028484 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-796a-a9ae-e363bab1d220 · 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-2026-000028484 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ea94884b596849c96c6003df3560306e02d2dd9f42759541b07639cf14261d5 |
|---|---|
| Markdown | 4261ba1dad0b37f939d9d40216752eeee32362d91d6cfdcad7b0a9f79c69d30a |
| Publication page | efd4c6864e2bcc818f01b89c98f659e2cb6a1dbf33ebb32c9e2de7ac07e58690 |
| Manifest | 406a967aa6422a6ebb8d64b99bd89904c54c2a94fa3bf2f73bec2bafd270bc27 |
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 | HQzqfvM2fkONo8LajiMIMVCjTUrpokSUsU6wGgJTPqacc5MDquRRzFZG72LCXYkc4Hu9Q33k/f+onRlCA7cTAA== |
| 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
| 2026-09-17T11:40:38.069516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028484observed efd4c6864e2bcc818f01b89c98f659e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:38.051358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028484/manifest.jsonobserved 406a967aa6422a6ebb8d64b99bd89904...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:38.035122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028484/publication.mdobserved 4261ba1dad0b37f939d9d40216752eee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:38.017824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028484/publication.txtobserved 7ea94884b596849c96c6003df3560306...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. |
|---|