OT-2026-000020372
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000020372) never changes.
Identity and time
| Publication number | OT-2026-000020372 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7f89-b9b9-179db0f01751 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020372 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9aabbbf914f276097934150b0658828c67fe90c9726d9a0280a384db75a6d984 |
|---|---|
| Markdown | f28849cd301234522d323fc3ee721761ee5973f62945590d7ed64d129c3cd850 |
| Publication page | 7572d85bdf7e506db14863714899fe4e8601e33d6b237b5e1f6aba7ecbbf1aed |
| Manifest | 6e896e6658e6a304497a6bd9a109f8eac07f24d40d9575c1ea0c67a13edb28b7 |
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 | SJZafrta2hVt2/Xg0TUpZSmhY3HbyDv1ujX9sDC2F5x8EjnT/dZ0mExQPIIvlZOwMvkpC7pfe+lp3GVmPr29Bw== |
| 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
| 2026-09-17T12:00:14.830845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372observed 7572d85bdf7e506db14863714899fe4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:14.805512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/manifest.jsonobserved 6e896e6658e6a304497a6bd9a109f8ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:14.782550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/publication.mdobserved f28849cd301234522d323fc3ee721761...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:14.759469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/publication.txtobserved 9aabbbf914f276097934150b0658828c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.316988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372observed 7572d85bdf7e506db14863714899fe4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.299991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/manifest.jsonobserved 6e896e6658e6a304497a6bd9a109f8ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.281359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/publication.mdobserved f28849cd301234522d323fc3ee721761...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.261483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020372/publication.txtobserved 9aabbbf914f276097934150b0658828c...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. |
|---|