OT-2026-000015521
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000015521) never changes.
Identity and time
| Publication number | OT-2026-000015521 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-74f1-8b2c-17804c1a2a12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11fd8acdfe34459b84f2fabc48af356f29eba49d79a5fec469fb841e6ec012d5 |
|---|---|
| Markdown | 55dad24667b66c9081513c9bce45024928e4e5956537cdfaa2313b2e9720ab91 |
| Publication page | 25498fca5d246576c9e95489006b4f7679a9b39e8fd052da8edaebe4082932b4 |
| Manifest | 3fdfe29ddec7eff1637db55b9a8fd3a41f9356025eb1bddcb0ff2cab0027a16a |
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 | jAk0yJidri6ImSuevcXAZ3v7QpQzA5/mysYZJKc4VfpnNnAH+Ey3mUxQ4ORWcDiO5uYK8fhaPOYTXByKepSnDQ== |
| 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
| 2026-09-17T12:06:17.835216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015521observed 25498fca5d246576c9e95489006b4f76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:17.816597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015521/manifest.jsonobserved 3fdfe29ddec7eff1637db55b9a8fd3a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:17.796797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015521/publication.mdobserved 55dad24667b66c9081513c9bce450249...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:17.776623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015521/publication.txtobserved 11fd8acdfe34459b84f2fabc48af356f...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. |
|---|