OT-2026-000028621
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000028621) never changes.
Identity and time
| Publication number | OT-2026-000028621 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-737e-810a-3ca87841ebb7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028621 |
| Status | PUBLIC |
Content hashes
| Canonical text | e29b11cb69675f8c52af1699be1552263eb0342d0c100b366b4728c176a83c24 |
|---|---|
| Markdown | 71b75736853596746b7e9c04c759b2d0f04fc86a328e65e1c29f8f9ad1118f2f |
| Publication page | 06d0525de35f9de68359e8504176e66bc36f9a7fb91fb8ad066169b3088a73e6 |
| Manifest | 70934a792e93d1a795e9e5a7ada15eb8601b365c422ed1666c6ad100c1a00ea7 |
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 | xZVC3r6mcZX7sWwWqdBR7panBYf/TY74agH7Y8EnoP96hFDDfBVUPhWewPT4Zvxpv+nxNl2Pa5uID/ucybWCDw== |
| 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
| 2026-09-17T11:41:29.185222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028621observed 06d0525de35f9de68359e8504176e66b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:29.167200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028621/manifest.jsonobserved 70934a792e93d1a795e9e5a7ada15eb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.148937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028621/publication.mdobserved 71b75736853596746b7e9c04c759b2d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.131348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028621/publication.txtobserved e29b11cb69675f8c52af1699be155226...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. |
|---|