OT-2026-000030989
Publication integrity record
Single cup vacuum gripper, 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-2026-000030989) never changes.
Identity and time
| Publication number | OT-2026-000030989 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-70ed-a6b0-3207cdad8ecc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 366ee7d22d30308ab0f012859ce995a610413aef8b445a27ddb16b154f2d4b55 |
|---|---|
| Markdown | ec99a2b617210b1580c4a002b33ec2f69c3151f62290863fb29533f9738969f2 |
| Publication page | df9937bbbad79a442842c3b3883394a1cf3206fda190c38c5e554a61f2e07303 |
| Manifest | 8091825ee0e11e51acc69783e5bfcee5eda4a32665758d9d8c1c3f0cf4b2c137 |
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 | LeX31Jgp/MfxYLOEvxD05M0FiMKZ9NL9D+D/BSUOpSli/mfK0iHPY8N5K9F2HjXQcwHf5W1hW2HO5pGTE/HSCw== |
| 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
| 2026-09-17T11:40:04.269622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989observed df9937bbbad79a442842c3b3883394a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.242818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/manifest.jsonobserved 8091825ee0e11e51acc69783e5bfcee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.213976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/publication.mdobserved ec99a2b617210b1580c4a002b33ec2f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.195117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/publication.txtobserved 366ee7d22d30308ab0f012859ce995a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.472859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989observed df9937bbbad79a442842c3b3883394a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.453425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/manifest.jsonobserved 8091825ee0e11e51acc69783e5bfcee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.431436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/publication.mdobserved ec99a2b617210b1580c4a002b33ec2f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.410565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030989/publication.txtobserved 366ee7d22d30308ab0f012859ce995a6...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. |
|---|