OT-2026-000103978
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103978) never changes.
Identity and time
| Publication number | OT-2026-000103978 · never reused |
|---|---|
| Internal UUID | 01a0aea5-15e8-7ff5-a12c-efbc3c4ee198 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:09.781581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103978 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56a306ec7ec6d5c906342e1e6fb0753599ab5567f74f4790d7238cd0a54bcc5f |
|---|---|
| Markdown | d4329e4f31434613781af4746d16f70c555b0c338e45f07790bdda2daf110a66 |
| Publication page | 555d2cff87d0eff2a2c4aa3ac3c41192a7e5a7daf92cc5fb9e3504caa3999e00 |
| Manifest | 131851807a072ce4a7c3a4c4c2ba90c10b5f6cc0f77d525e90ffe4798fb36189 |
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 | 3G8HOWvimrYlaThZ6bnrbEE/rsAZ2B0hWxUug74Q/NN6BPH6jOdkywZS9xfs+l+QJJ347/asJXsz4rpY3U2YAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:21:58.882944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103978observed 555d2cff87d0eff2a2c4aa3ac3c41192...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:21:58.863263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103978/manifest.jsonobserved 131851807a072ce4a7c3a4c4c2ba90c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:58.846001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103978/publication.mdobserved d4329e4f31434613781af4746d16f70c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:58.828719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103978/publication.txtobserved 56a306ec7ec6d5c906342e1e6fb07535...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. |
|---|