OT-2026-000007991
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, vented after set-down
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-2026-000007991) never changes.
Identity and time
| Publication number | OT-2026-000007991 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908b-705f-ade9-1afe33f6f60a · 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-2026-000007991 |
| Status | PUBLIC |
Content hashes
| Canonical text | e41fc1a0657ddc2de2eced8f6e74c2e1398930d892dd50a9934fe3754e4d147d |
|---|---|
| Markdown | 27dc2b390d81c4168dc0cf2e5c73fc32338d2f0662ed697213edad9230214a10 |
| Publication page | 04d95f673292376a742f3b233b70ff7ef00e6b75605bded758af81b0d9bccb34 |
| Manifest | 0e8f99e9a0f4636cf913b1b9f73ab3ae7c1bd2bfcc59c97202bd7cd64321674d |
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 | eJAl7lYtMu8Mg56ngPGmMzKWn7rnHVn7EnqZMfjdCaQdGbLodA0ZKhMsPaU9zo94BdwSD4/3NHLARZEyTQWAAA== |
| 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
| 2026-09-17T12:20:32.291031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991observed 04d95f673292376a742f3b233b70ff7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:32.272014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/manifest.jsonobserved 0e8f99e9a0f4636cf913b1b9f73ab3ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:32.252718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/publication.mdobserved 27dc2b390d81c4168dc0cf2e5c73fc32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:32.234064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/publication.txtobserved e41fc1a0657ddc2de2eced8f6e74c2e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:08.382886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991observed 04d95f673292376a742f3b233b70ff7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:08.364353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/manifest.jsonobserved 0e8f99e9a0f4636cf913b1b9f73ab3ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:08.345225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/publication.mdobserved 27dc2b390d81c4168dc0cf2e5c73fc32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:08.326158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007991/publication.txtobserved e41fc1a0657ddc2de2eced8f6e74c2e1...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. |
|---|