OT-2026-000004551
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, ejector fed, pressure verified
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-2026-000004551) never changes.
Identity and time
| Publication number | OT-2026-000004551 · never reused |
|---|---|
| Internal UUID | 01a0a91b-b20d-7304-980d-35426f366527 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:59.696848Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004551 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea55b10828c5bc800a743f35bdde9afd25e7f3a92f7a4452f665ec2db0c54792 |
|---|---|
| Markdown | acd4974925d7e1d0036ad86008afd38928b17e4294076273fb2f781008e94ea4 |
| Publication page | 7a8ab7c047fa31a209661a3a8e7003f1f2e6b47e24d1729b7538609214b1a0ab |
| Manifest | 81ab664a415df4ef3d449a21d45e88ed88faaf1437f2752ecbc8a3f974973a93 |
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 | O1IdTvSeMljQuJk5ZHeyE/utoi1dlqaqXWPaTjUAhwwfOPLBNNLJCd9LfJSiqq/TuvEnu4EQKEoIQwF37SVUBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:15.672647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004551observed 7a8ab7c047fa31a209661a3a8e7003f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.660496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004551/manifest.jsonobserved 81ab664a415df4ef3d449a21d45e88ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.648421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004551/publication.mdobserved acd4974925d7e1d0036ad86008afd389...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.636457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004551/publication.txtobserved ea55b10828c5bc800a743f35bdde9afd...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. |
|---|