OT-2026-000030649
Publication integrity record
Four cup vacuum gripper, four 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-2026-000030649) never changes.
Identity and time
| Publication number | OT-2026-000030649 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb3-7abf-b530-85dae80a223c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030649 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29181c9a45eec1a588dc70881a9841d06a48680b73f4e2db6a1afbd24d458ad5 |
|---|---|
| Markdown | f8c4ced65eafa6cdfd8ae95dd8ea79ecb7a7ee50144c57eec37025a45fb0020f |
| Publication page | a4a2dc5571be42283b4597a39fb961988a88fbd645cbf8055fc2d2228384c4c6 |
| Manifest | 22e5d16d6f8154e7c3928859728da9fa9208f349e569a2c6833897f579ba2ad2 |
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 | 13OKg7bZklm3h1VQXMC2P+iqPado1aMJAnOTCAwt9AeUHuqZUY5h8uBn8c8pEhLxMaKphNiGAnZAmYQY1/rcBQ== |
| 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
| 2026-09-17T11:36:31.818823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030649observed a4a2dc5571be42283b4597a39fb96198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:31.803357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030649/manifest.jsonobserved 22e5d16d6f8154e7c3928859728da9fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:31.784746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030649/publication.mdobserved f8c4ced65eafa6cdfd8ae95dd8ea79ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:31.765910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030649/publication.txtobserved 29181c9a45eec1a588dc70881a9841d0...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. |
|---|