OT-2026-000038221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000038221) never changes.
Identity and time
| Publication number | OT-2026-000038221 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d51-7e96-a8be-56ef7ab31e75 · 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-2026-000038221 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4a2fc44a8cfc86adfb5610eac475deb6bcc1a6682de8833ff1a0d7009bb0e3f |
|---|---|
| Markdown | 57067aea04473b21fed298edff693337803c8ea6d0c13d50b673aedf2b9162af |
| Publication page | d76c498f09ac8b52ad7a093e8310ef44fd98d233fafa1909dd68fd8690bc0bd8 |
| Manifest | a69a944f9c81bb82f4c0ad57f6fd95054f6f6102a8b72689373ecc32e28003a5 |
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 | R+QNQw/8lo3455/r0tmN2eHqeuXLFN8aYDL+CJKvA6TrJC9pbf32TwdqQMX+Qj4qGcg/ArDmK7fCFgve5/hwDg== |
| 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
| 2026-09-17T11:22:20.509782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038221observed d76c498f09ac8b52ad7a093e8310ef44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:22:20.489768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038221/manifest.jsonobserved a69a944f9c81bb82f4c0ad57f6fd9505...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:20.468499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038221/publication.mdobserved 57067aea04473b21fed298edff693337...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:20.403042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038221/publication.txtobserved a4a2fc44a8cfc86adfb5610eac475deb...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. |
|---|