OT-2026-000015271
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000015271) never changes.
Identity and time
| Publication number | OT-2026-000015271 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7769-9d57-fc0becb87368 · 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-2026-000015271 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee63d95a899dbccf0d6e49233a6678189c3232c8094cfd5723fa2df5ff81d921 |
|---|---|
| Markdown | 1f5764a530b401a26c5698aa354128e3aa19945c951c933a257620f5e6280214 |
| Publication page | 72721fe8d374fc44bbd019374160884685f80d1944c7150ecd9009fa3d1c8545 |
| Manifest | 49d79de9d7fb5e1f20ce0e5a3107cf1d31264c2d81e19c2d842975b3f0d6068b |
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 | HlZ5z5fCFUH3rJFvvxl7nnZVbVyle2VTCZwNiUk6+z8cfEEb1yfcb8bWm7EoHJ5zK9ZczPmqs077/F5er6ESCw== |
| 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
| 2026-09-17T12:05:56.975799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015271observed 72721fe8d374fc44bbd0193741608846...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:56.953841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015271/manifest.jsonobserved 49d79de9d7fb5e1f20ce0e5a3107cf1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:56.933753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015271/publication.mdobserved 1f5764a530b401a26c5698aa354128e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:56.914409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015271/publication.txtobserved ee63d95a899dbccf0d6e49233a667818...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. |
|---|