OT-2026-000021788
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021788) never changes.
Identity and time
| Publication number | OT-2026-000021788 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-77db-98f0-133a86c786ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021788 |
| Status | PUBLIC |
Content hashes
| Canonical text | f32996e79e362602ab45ac6cf1883439092e7d16cbddf27d0dd6b9b14eef4f9c |
|---|---|
| Markdown | 4ba7d1e765fed0e4b403f07950458e6c7b206e6227f67189c608b07552a1bf2f |
| Publication page | f974f01b4953de852319893f162af7e7032cae8d6173cd5c67c8234b3e77df78 |
| Manifest | a1364dd79df1b281e2cb1fd65c91a6b442c92436ac35658ddabcc35b09ae7900 |
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 | pRvyHt5VN3bHbJdGj8sg77AWlSoy4FXjmy8qywB0JYQ1nKAsLwNYbLnOOfNXFrI6gNRSLLYdmMXI5lPkwepaDg== |
| 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
| 2026-09-17T11:54:20.302494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021788observed f974f01b4953de852319893f162af7e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.285463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021788/manifest.jsonobserved a1364dd79df1b281e2cb1fd65c91a6b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.268179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021788/publication.mdobserved 4ba7d1e765fed0e4b403f07950458e6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.251387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021788/publication.txtobserved f32996e79e362602ab45ac6cf1883439...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. |
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