OT-2026-000007817
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000007817) never changes.
Identity and time
| Publication number | OT-2026-000007817 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-75a7-a413-d7c7a9dc4362 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f150a9fcf3552bdac95d9a59e62848606a5912309c3c0acfdf056440e3e82f0 |
|---|---|
| Markdown | 2bdb7e0d9d895f31ee5a713c1949f7c8afee6ebdb13062e4ff61bfbef8979dc9 |
| Publication page | c61780779f19d67f551e87ddaab77a703a05bbf76959b66f8220dbb986bc7813 |
| Manifest | 1585b520c19dfaa0f7ffa6d2e0cb9f76d1b9b44e85af0108d81a061dec42edbd |
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 | Y6uSsxBT1lICJnmp6uW7hntYyrKzmmiv27WgMv+TdwDqr6FY0IlOR6KyKtGXb12yeGVCyUVj1LbVFVwvFZq7Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-23T00:41:18.739063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817observed c61780779f19d67f551e87ddaab77a70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T00:41:18.689581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/manifest.jsonobserved 1585b520c19dfaa0f7ffa6d2e0cb9f76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:18.603480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/publication.mdobserved 2bdb7e0d9d895f31ee5a713c1949f7c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:18.552609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/publication.txtobserved 0f150a9fcf3552bdac95d9a59e628486...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:48.036753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817observed c61780779f19d67f551e87ddaab77a70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:47.986998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/manifest.jsonobserved 1585b520c19dfaa0f7ffa6d2e0cb9f76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:47.887811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/publication.mdobserved 2bdb7e0d9d895f31ee5a713c1949f7c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:47.759774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007817/publication.txtobserved 0f150a9fcf3552bdac95d9a59e628486...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|