OT-2026-000005444
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, contact triggered
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-2026-000005444) never changes.
Identity and time
| Publication number | OT-2026-000005444 · never reused |
|---|---|
| Internal UUID | 01a0a939-3591-768a-a0d4-88fbf394ec23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:13.908349Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005444 |
| Status | PUBLIC |
Content hashes
| Canonical text | dcb8a0f8259db513d2c17bf94defce7e0900e834a72fa21d3ffc298e789c1335 |
|---|---|
| Markdown | c4978f83a3870063bae342e334acb4c84c49c914bd94c6d6d24e4a8e53a04eab |
| Publication page | cb3a36bf3d21a8558a5dd68f9e86318cbb454007a6d7d8a70615470a203591a4 |
| Manifest | 053eba38ee087fdb3f6978da18f1f32b2183460937ee21251cbd6b283a7269e8 |
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 | bxBUZxz1gj0VsopuaxR3aT313kZKySvRjvLIp9oVD6Qo6K621XF6VH7xSh+WlXwgBiSN25qLHsFv4C3nz+JyAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:08.755694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005444observed cb3a36bf3d21a8558a5dd68f9e86318c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:08.742170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005444/manifest.jsonobserved 053eba38ee087fdb3f6978da18f1f32b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.727250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005444/publication.mdobserved c4978f83a3870063bae342e334acb4c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.715429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005444/publication.txtobserved dcb8a0f8259db513d2c17bf94defce7e...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. |
|---|