OT-2026-000021903
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000021903) never changes.
Identity and time
| Publication number | OT-2026-000021903 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7aba-bd0e-c3eb5d3655a6 · 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-2026-000021903 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1376165fb6eaa959d73b31732f7f1d3639e4de311e282ca5dfd6a16b28a2abb8 |
|---|---|
| Markdown | 59666847ad97b249563ced572fa785e27e4ee57ce5943af5dd09ea2c49695d30 |
| Publication page | 6d0e2557366ec562447850c3317442f6f05340cff20ab3e5a7521364aad70f47 |
| Manifest | d256c46ad175a45792501862987920177e43da53081bfade16cbb4518d96104b |
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 | o5pdJ12kuoB6HSKFjSz4FppwKgGqHzOrqe/bLVnkBkeJ2ZO7WRiyLvPqoalpLnZkvHARybXj86NxVajZtmGUCQ== |
| 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
| 2026-09-17T11:54:28.408510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021903observed 6d0e2557366ec562447850c3317442f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.388259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021903/manifest.jsonobserved d256c46ad175a4579250186298792017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.369770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021903/publication.mdobserved 59666847ad97b249563ced572fa785e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.352499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021903/publication.txtobserved 1376165fb6eaa959d73b31732f7f1d36...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. |
|---|