OT-2026-000015500
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000015500) never changes.
Identity and time
| Publication number | OT-2026-000015500 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-72c8-8aca-1d5558f6b602 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8099b54a381cc39628fc25a962798d873d4a47adf99bb80333605f6115b08173 |
|---|---|
| Markdown | e0956248a713517cb35a7eb99bf667ab0688a4ffe8e3ec0480e9853d8f84ca9d |
| Publication page | 9b437efedafe54f0d7f7f4b4f1df8fd75ed421f1a2423bfe9a4b9deff1abc355 |
| Manifest | 03c5e6772d9df78fa7061e068a16ddb958eca09a8544e6c02afecc51db0cb421 |
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 | yvqc5iTswZmLKQybZ4Lhcga23+SdkYuUP4EOKvTNlVxS3VyNcFybBmOsoS+LxFuoFOYn1bcyURjOH7FfWj4yAw== |
| 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
| 2026-09-17T12:06:16.029638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015500observed 9b437efedafe54f0d7f7f4b4f1df8fd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:16.010878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015500/manifest.jsonobserved 03c5e6772d9df78fa7061e068a16ddb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.992690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015500/publication.mdobserved e0956248a713517cb35a7eb99bf667ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.969718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015500/publication.txtobserved 8099b54a381cc39628fc25a962798d87...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. |
|---|