OT-2026-000021554
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021554) never changes.
Identity and time
| Publication number | OT-2026-000021554 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-71f6-b003-2e00fe7a5aba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 977a5591a6f463c13afdb26786aa5f91d8ec95872a59b5262874c718f361fcc1 |
|---|---|
| Markdown | 6da1256ea0db81de5a45a53bd2d26195d8cb79bed0dc119429da83d838a49f72 |
| Publication page | 64811c6c60e81e44ac8519afaf82b1c9bf97cdd63869844b2ffc3a4c5534ed81 |
| Manifest | d881bda1a0d3dcc4bee83f4b98fe76cdb094acef571e1f41c8af209fa5029bf8 |
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 | mMd2au0N1mFpR7tGlJSFb9+ECXCIC9FRKKSd7kf1X7OfLqYU/f6c62NL5SRV2B6RfjLfZMI2HZ2qgvqC1re3Dw== |
| 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
| 2026-09-17T11:55:28.601839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021554observed 64811c6c60e81e44ac8519afaf82b1c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.585244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021554/manifest.jsonobserved d881bda1a0d3dcc4bee83f4b98fe76cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.570126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021554/publication.mdobserved 6da1256ea0db81de5a45a53bd2d26195...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.553676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021554/publication.txtobserved 977a5591a6f463c13afdb26786aa5f91...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. |
|---|