OT-2026-000013220
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000013220) never changes.
Identity and time
| Publication number | OT-2026-000013220 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc9-751b-aa41-c94c23eb7c17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18d6b555a9cdb3cce1c64035e9adda40c11afbc48efa8298c7cfa18f4cd9eeda |
|---|---|
| Markdown | 0524d0555ad742de90da9d32e020b5e52b65c55a2ef6df13a146457f7dcee2c6 |
| Publication page | 038b1c7cbe502ae5bc305cc17a19f6711d817ac21049d05892b5d535feae208e |
| Manifest | e35b3ae4e038c24d85081714a10fcce87165ef714b1ec03e2424da3f1ddb501f |
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 | kl3iL9GPuUPuubzQUO+55p7+LRZomx+z+m0H0uZlzWOFd0PyNpTbd+gU5fL8gi+QXufY4fuYZYX8zgpm6drqCQ== |
| 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
| 2026-09-17T12:09:36.806790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013220observed 038b1c7cbe502ae5bc305cc17a19f671...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:36.786813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013220/manifest.jsonobserved e35b3ae4e038c24d85081714a10fcce8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:36.737176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013220/publication.mdobserved 0524d0555ad742de90da9d32e020b5e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:36.688000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013220/publication.txtobserved 18d6b555a9cdb3cce1c64035e9adda40...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. |
|---|