OT-2026-000020749
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020749) never changes.
Identity and time
| Publication number | OT-2026-000020749 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7978-90b8-2370ddfc17e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020749 |
| Status | PUBLIC |
Content hashes
| Canonical text | 547f5cc55d26253820634da60553b5abbd2311b1a7b84b1398de8fd6de34c669 |
|---|---|
| Markdown | 013f106239c60e467269a6ca5c43aed7eff802d20943242315f89ce61ed3efcd |
| Publication page | 994f6140796f57ad8c972224364c33b79f9d9b9328e653aa7a0ae95ad4402dfc |
| Manifest | 3856851886554f2c26ca5af67dfb5949e6c650b207240528c3143474c39184f6 |
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 | u2B0pzwZNszjf+pQr1cFj4aWudlAgrw7eFrRoPks1Ux4w+RPy4Hcysrs0335hiilIAChVQqAAvp2liy98/8/Cg== |
| 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
| 2026-09-17T11:55:49.157873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020749observed 994f6140796f57ad8c972224364c33b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:49.139763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020749/manifest.jsonobserved 3856851886554f2c26ca5af67dfb5949...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:49.120329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020749/publication.mdobserved 013f106239c60e467269a6ca5c43aed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:49.102821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020749/publication.txtobserved 547f5cc55d26253820634da60553b5ab...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. |
|---|