OT-2026-000028940
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000028940) never changes.
Identity and time
| Publication number | OT-2026-000028940 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7e5f-b160-9055104dfbee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028940 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43176384de7a38c104a49fac28928ad3811239a0098126edd3b3f50cf54a7b95 |
|---|---|
| Markdown | e85e1e0c20282ac0910350afc5e941b4f40c5ac83894fd07eba1e84c6e63d372 |
| Publication page | 201b38fec3332e2ece05873b734c7f06c338d9bd9760833f2a2794b11387a0c3 |
| Manifest | 11577a95e8a412d9f53d6cd08b95b382c3f75a9cc943b173d7519f56a31116c6 |
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 | JZZmUibhTXYCQbJdfR0E+Xoh1C6h03dsxS1an6TmXg0qTyhV4j6U0lFXYeiLZg8+7R0za2odmABQ99YGa+fnCA== |
| 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
| 2026-09-17T08:20:23.799907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028940observed 201b38fec3332e2ece05873b734c7f06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:23.774962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028940/manifest.jsonobserved 11577a95e8a412d9f53d6cd08b95b382...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:23.757885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028940/publication.mdobserved e85e1e0c20282ac0910350afc5e941b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:23.735287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028940/publication.txtobserved 43176384de7a38c104a49fac28928ad3...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. |
|---|