OT-2026-000038241
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000038241) never changes.
Identity and time
| Publication number | OT-2026-000038241 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d51-7249-8115-53b3ad2681dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038241 |
| Status | PUBLIC |
Content hashes
| Canonical text | 949f92de49252f30b6e157ad872ad5b92f52a506fba34329ba51fdc86e8b38a2 |
|---|---|
| Markdown | 063510b711d3ed6f370e66511bf0c08df1ea0e390c8a22ef4de2546c7c319d2d |
| Publication page | 8eec9f72c988fa4b74cf6a054c55031027a366c48da7cadb4baf8cc4bb380654 |
| Manifest | d95ef68e76b69cd90aa035eab70becee88a60cbb1216552b9d1c9ba5ee779edc |
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 | xiUiGYUMCmgLzAmZ4+t83KNWAZjzDAqxLLzuIEryxGl0GHrYZ4+dTDGRocP+mA+baZwSFRFwGRdHeZBRh3PqCw== |
| 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
| 2026-10-25T20:42:00.885712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241observed 8eec9f72c988fa4b74cf6a054c550310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T20:42:00.829677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/manifest.jsonobserved d95ef68e76b69cd90aa035eab70becee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:42:00.724090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/publication.mdobserved 063510b711d3ed6f370e66511bf0c08d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:42:00.651408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/publication.txtobserved 949f92de49252f30b6e157ad872ad5b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:12.873205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241observed 8eec9f72c988fa4b74cf6a054c550310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:12.824072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/manifest.jsonobserved d95ef68e76b69cd90aa035eab70becee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:12.773559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/publication.mdobserved 063510b711d3ed6f370e66511bf0c08d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:12.711101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038241/publication.txtobserved 949f92de49252f30b6e157ad872ad5b9...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 |
|---|