OT-2026-000013420
Publication integrity record
Single bellows cup vacuum gripper, single 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-2026-000013420) never changes.
Identity and time
| Publication number | OT-2026-000013420 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fca-7904-98ea-784da6322ff1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e5be4556e140d18479d4a171f33ca4f7716de5830a7f44530212847e7d0341e |
|---|---|
| Markdown | e771e82a2f51b2088eecff3f5b9b3a893a202c432bb1db18c57e3efd3e515641 |
| Publication page | f5dfc1b3967faafcd4391c0b32a251002b9e0fe589eb41db241977483f9515e9 |
| Manifest | e8eda41062d7a484c34fd62236092d08383dc33ae5c5fdcbcaf6213c62d018ff |
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 | +sVIF6SHRNxt9oZJvNlqeghCJPixTzB8cjPvS2O3JL6gbxrPGJMgIbRa9es2kuRgjj2tXAWai7VglXWKcjxcDw== |
| 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
| 2026-09-17T12:09:54.138761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013420observed f5dfc1b3967faafcd4391c0b32a25100...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:54.119936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013420/manifest.jsonobserved e8eda41062d7a484c34fd62236092d08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:54.100780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013420/publication.mdobserved e771e82a2f51b2088eecff3f5b9b3a89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:54.080162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013420/publication.txtobserved 1e5be4556e140d18479d4a171f33ca4f...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. |
|---|