OT-2026-000013939
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000013939) never changes.
Identity and time
| Publication number | OT-2026-000013939 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7645-8c82-ee471a836cf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 181db7f4951bc8324866fd4dcbddbfbaf3f152ab9aaf4acf468a8acf1a3ce51f |
|---|---|
| Markdown | 138a36588e55cc1e7db55a7e40fd416876e3bb86dc29b015eb6aa5cbeff2f8d3 |
| Publication page | 841ae894af00aaa42b8f7bb89fb5e00f77c21cc73b2eb17a9a7b1b685c2952b2 |
| Manifest | cfaf02d81337a8a4f33056341a402efb86dd32b6320f9db9b9111f42a7e31c38 |
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 | yzi4XlCWPWuh10Ahq2jToZC9EeWi6SOZA/V6DURqnKN2BqdrUYFBmJjVr94WKfPmrvGtnO3nl2dg8pAUar/aDg== |
| 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
| 2026-09-17T12:09:04.744963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013939observed 841ae894af00aaa42b8f7bb89fb5e00f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:04.724630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013939/manifest.jsonobserved cfaf02d81337a8a4f33056341a402efb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:04.707460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013939/publication.mdobserved 138a36588e55cc1e7db55a7e40fd4168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:04.687697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013939/publication.txtobserved 181db7f4951bc8324866fd4dcbddbfba...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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