OT-2026-000100521
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100521) never changes.
Identity and time
| Publication number | OT-2026-000100521 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f0-7e89-b432-16c0e55db18c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100521 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9f45f43d1e239213bddf08b1d1c442f12b7f1d7330e93638ce11a55125257ad |
|---|---|
| Markdown | 7a4eef4015655db7a8b3aa9cbafaa3ab7431b44ee701acf428f1e9bb7009358b |
| Publication page | c13897a69102beccea6eeef236aea977fc38cb117f821cf394381ccf3df1bbd1 |
| Manifest | 93ddc328f59637ee5079f7677110e8b1b45c9322ec81688bbb82de4fd9e7b193 |
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 | 40MHdsC4iJ7KumIoCZLnnWXCQT4bFEu4jHBwEfpDAk17KEd209CX1lnxFjbXuqFQ0DcsH1Bn5+cqot3DOQ0MBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:17.329205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100521observed c13897a69102beccea6eeef236aea977...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:17.313546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100521/manifest.jsonobserved 93ddc328f59637ee5079f7677110e8b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:17.297022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100521/publication.mdobserved 7a4eef4015655db7a8b3aa9cbafaa3ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:17.280630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100521/publication.txtobserved b9f45f43d1e239213bddf08b1d1c442f...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. |
|---|