OT-2026-000029851
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000029851) never changes.
Identity and time
| Publication number | OT-2026-000029851 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-751b-8cf2-67200ae0da40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029851 |
| Status | PUBLIC |
Content hashes
| Canonical text | 39d901bb728dca2babfd553500d47275c6608b440fe18820ee40b044624c731f |
|---|---|
| Markdown | 5ccf37954bfc72ab50ca161a779d14de6c6dad1f40406020ff654fd6277e70d4 |
| Publication page | 8ec3e78f6a0cc5c1288048a4a1ce6806c2e0d6043f88c2e59de80d5adf11dafd |
| Manifest | a332ec3f564c148bbe7d94b652a23791d2a53961eb937858d15335b1a6d83668 |
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 | J2b27XfIjJjhwMPva1tJrE9fYKI5kp0BUjNCdj5C6zeT3S/F1fiY4SBKDNhhcmuGa9WmD1Acrzedmvz5iRrbAw== |
| 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
| 2026-09-17T11:38:32.666090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029851observed 8ec3e78f6a0cc5c1288048a4a1ce6806...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:32.647410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029851/manifest.jsonobserved a332ec3f564c148bbe7d94b652a23791...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:32.625891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029851/publication.mdobserved 5ccf37954bfc72ab50ca161a779d14de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:32.609715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029851/publication.txtobserved 39d901bb728dca2babfd553500d47275...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. |
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