OT-2026-000021607
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000021607) never changes.
Identity and time
| Publication number | OT-2026-000021607 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7ac2-89fd-e8f4497ff32b · 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-2026-000021607 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97fd460e829560b5ed2e61445f610858bc80a491a6593c9dc2b70c96d8e73660 |
|---|---|
| Markdown | 42cf2d40f9d055876fa175d2cec9835b838b6aec23a657f870457c833dbfe744 |
| Publication page | f55274314a94e5cba8a75f6eb4765a8e996525ed7380f0bdd57c1732e9ee3041 |
| Manifest | 9744fc424aa3b74b4ccb8b50e6a603d0d0a4ca6a3a6c3c954109579425e48810 |
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 | 5N8av7OA70rUkeOmZ8Q7WRc51vhoFD1Ne08njxenmvNPCoefoCL1I3CJXZWnbC3/kywEJ2FRhNhqbH7zTnaCCg== |
| 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
| 2026-09-17T11:54:07.958080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021607observed f55274314a94e5cba8a75f6eb4765a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:07.935940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021607/manifest.jsonobserved 9744fc424aa3b74b4ccb8b50e6a603d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.906134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021607/publication.mdobserved 42cf2d40f9d055876fa175d2cec9835b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.885770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021607/publication.txtobserved 97fd460e829560b5ed2e61445f610858...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. |
|---|