OT-2026-000020470
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, 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-2026-000020470) never changes.
Identity and time
| Publication number | OT-2026-000020470 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7d89-88a8-b9de1319921f · 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-2026-000020470 |
| Status | PUBLIC |
Content hashes
| Canonical text | 741f25f61e8c8a53d7294c87581cad2537e2a9a999759a923343cc0057ae2864 |
|---|---|
| Markdown | 89a8e8a7e0c26473d2c574fbd1183718b354b5c572cb32e024e6c4bec710ceb4 |
| Publication page | de68a3c77eec673438e28b76ee9a0c63ab0fd53066be1d912ba55c6b528563c0 |
| Manifest | 3da79489e0a728365b7d896d6320c7f23a6ad8ccd4194764f9c5333b9170e57f |
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 | AWgxxIOdNO/SUq4MtmuYeSWG0RHfrHKO0hwFI/g2g3ZVR7h6870d1pvozqReu5jRmZjc+zDrcaB7V/h8k/qeBA== |
| 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
| 2026-09-17T12:00:24.464165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470observed de68a3c77eec673438e28b76ee9a0c63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:24.441503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/manifest.jsonobserved 3da79489e0a728365b7d896d6320c7f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.422867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/publication.mdobserved 89a8e8a7e0c26473d2c574fbd1183718...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.405487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/publication.txtobserved 741f25f61e8c8a53d7294c87581cad25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.405362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470observed de68a3c77eec673438e28b76ee9a0c63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.387354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/manifest.jsonobserved 3da79489e0a728365b7d896d6320c7f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.368427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/publication.mdobserved 89a8e8a7e0c26473d2c574fbd1183718...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.351146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020470/publication.txtobserved 741f25f61e8c8a53d7294c87581cad25...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. |
|---|