OT-2026-000100554
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000100554) never changes.
Identity and time
| Publication number | OT-2026-000100554 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-7177-9987-0413d18ce20d · 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-2026-000100554 |
| Status | PUBLIC |
Content hashes
| Canonical text | c790254ba5ab496a5ef6068e8e4ee8fcb8d2f902ca98e9c005a5512a5f2954fd |
|---|---|
| Markdown | 2766fd9914a3beda2522053abc16a023586a46e4c37c5ba242183f0fdbd361a8 |
| Publication page | 2891fc4d539ea7f37110bc189bad40747c71f7bddac66945f05355cf30007edc |
| Manifest | 920a7486d6fa8df94b1fb89f21277c83b455c65fa4afba1a1fe92281964114ab |
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 | HJ8p8FdtmENoVyILG8bJ7uHFFRyJDuVgXlkshL3t+3EGOVv6nq7pc+eOlAYDM0PiaQUxvh5/Fjjg8FS6df/6Cw== |
| 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
| 2026-09-17T09:27:19.685930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100554observed 2891fc4d539ea7f37110bc189bad4074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:19.666957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100554/manifest.jsonobserved 920a7486d6fa8df94b1fb89f21277c83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.648360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100554/publication.mdobserved 2766fd9914a3beda2522053abc16a023...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.630668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100554/publication.txtobserved c790254ba5ab496a5ef6068e8e4ee8fc...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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