OT-2026-000020384
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000020384) never changes.
Identity and time
| Publication number | OT-2026-000020384 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-774a-a07d-77a0e6dc6261 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020384 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1375aef5894223aa297653e7b2cef1df804ff49b7a1ff57800551596484f2b1f |
|---|---|
| Markdown | c691c7ff3650514a357d8afa24f4eb31fd58fe4ba195ad988cf6bbf783ef1976 |
| Publication page | b5461b6f35521cd597070f7fd4928367ceb7165c9ba2b4e1ca2ca525d6383ca3 |
| Manifest | eee6c8755bcc897302ba63ccf0bb4d95aa3c3ecee975f9560904ed9773bba208 |
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 | bYKoiAhS74/5sxFeEvRAifyx4XWKmXbRR114Za0q937zJp5veqrZSz5UNjfz+aSNQ/D3NJcslJCnFET3F1GtDw== |
| 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
| 2026-09-17T11:56:38.861651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020384observed b5461b6f35521cd597070f7fd4928367...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.842313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020384/manifest.jsonobserved eee6c8755bcc897302ba63ccf0bb4d95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.804297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020384/publication.mdobserved c691c7ff3650514a357d8afa24f4eb31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.767044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020384/publication.txtobserved 1375aef5894223aa297653e7b2cef1df...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. |
|---|