OT-2026-000042572
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000042572) never changes.
Identity and time
| Publication number | OT-2026-000042572 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-74d2-b667-8f76a7413242 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042572 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d57f8a78c9ead50dcd6e37751dc2cd02fbf4dc6ff21b81a361c149b24d51dd3 |
|---|---|
| Markdown | 538673f200faf0e15f1c5270c9d33af5c4c826cefb2f68455e8b06329f0087d2 |
| Publication page | cbb9479f265f42f7367f232839bc9f239a2109fb58d98b28223e9241e67f4b10 |
| Manifest | 69147848e54d805d22b8da06336acdcac53717ed05a53f099c45029ca03d89d9 |
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 | JYWoNRnjypN8cbJpCvpWx6Y8X0Dmsf+F+uVvrjJE5H1FqFaYBuHgnB0VLt0vT/S+CHsFai7LYVHH7uduDbLWDg== |
| 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
| 2026-09-17T11:14:17.217461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042572observed cbb9479f265f42f7367f232839bc9f23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:17.198572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042572/manifest.jsonobserved 69147848e54d805d22b8da06336acdca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.179062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042572/publication.mdobserved 538673f200faf0e15f1c5270c9d33af5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.162663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042572/publication.txtobserved 8d57f8a78c9ead50dcd6e37751dc2cd0...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. |
|---|