OT-2026-000020450
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020450) never changes.
Identity and time
| Publication number | OT-2026-000020450 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7967-b534-c83bc722f91f · 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-2026-000020450 |
| Status | PUBLIC |
Content hashes
| Canonical text | 514946b369a024cbedac1857a32cc481fd2f376b72ed24bdf8e9e8b6d361227f |
|---|---|
| Markdown | c1ba69d23ff17add52905a7488e05c227feca535050c3ad50081c0a994a063fa |
| Publication page | 2b173812a99cb84bbd45d198d9947130b1f7126d3b0e89d9b9473abc892b55a7 |
| Manifest | 4dcb9a2da61ce0ed994b019ed6ac32265736e95151c430d68417fec583e952d5 |
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 | xq+7uqhdWmCFAZIfXLx749I8hdULw5tM/oQLVsZMi7nN/cbhsESx07cmyTeovsIH6go3g1DO9hB9N2LaPG0NBg== |
| 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
| 2026-09-17T12:00:22.141602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450observed 2b173812a99cb84bbd45d198d9947130...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.121030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/manifest.jsonobserved 4dcb9a2da61ce0ed994b019ed6ac3226...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.101677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/publication.mdobserved c1ba69d23ff17add52905a7488e05c22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.062455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/publication.txtobserved 514946b369a024cbedac1857a32cc481...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.955022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450observed 2b173812a99cb84bbd45d198d9947130...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.921911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/manifest.jsonobserved 4dcb9a2da61ce0ed994b019ed6ac3226...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.902662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/publication.mdobserved c1ba69d23ff17add52905a7488e05c22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.867492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020450/publication.txtobserved 514946b369a024cbedac1857a32cc481...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
| 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 |
|---|