OT-2026-000089837
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089837) never changes.
Identity and time
| Publication number | OT-2026-000089837 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-794f-b94f-0576173f8098 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089837 |
| Status | PUBLIC |
Content hashes
| Canonical text | 547b42cf45419a3854a1e0e53e763e2fc1b1fb0e2a3160e0449fc9b36114a0ff |
|---|---|
| Markdown | 74df6b9b14c4cda99d018ddada2e9674cfa238954e2d4bfc9d3b4bace6b3b88f |
| Publication page | eee2f6bd857df6a285a249876fa82710cbb7df7167a97e9bc8f73f0ef691188e |
| Manifest | 4a3486d9bf46a3e98ae7057eb0ea22bdf95693ef9209dffa07c714ea72b181a3 |
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 | eV9FV0Q+/5MzpHAkVXRBjnQnmVSPnSzC2m20nHt0xMfQ5Z1v6rHHYFIyDf7S5ECfYAAggiOEUSJr4D/zG5BGAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:45:04.693606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089837observed eee2f6bd857df6a285a249876fa82710...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:04.675427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089837/manifest.jsonobserved 4a3486d9bf46a3e98ae7057eb0ea22bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:04.656819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089837/publication.mdobserved 74df6b9b14c4cda99d018ddada2e9674...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:04.637922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089837/publication.txtobserved 547b42cf45419a3854a1e0e53e763e2f...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. |
|---|