OT-2026-000013580
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000013580) never changes.
Identity and time
| Publication number | OT-2026-000013580 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7999-a4a7-7e51165691fa · 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-2026-000013580 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76051fd2d18a700adfe878807ec9239b9165fe644e99e98780c5632e2466b2af |
|---|---|
| Markdown | 70237c42db6ed1e78175538ce107bedc8b252841b803b659ab0b9290387341d3 |
| Publication page | deed870bf10226fd24eb63fed8a87f951d288a8be0928739a173771e9d1c6769 |
| Manifest | 472a59108244bed9b64f976dcfde12571a3d2d81eb5d2d3d5a2444ac5fc76b1f |
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 | LpLHzNYxI1exGE1zfr9Ya81KwxbMWuutzC+Gdxo/Epb+H/UvXf1RKPI4j5vqDvM3VhBl0rc/CEr4VO4kaX6cCw== |
| 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
| 2026-09-17T12:10:07.731093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013580observed deed870bf10226fd24eb63fed8a87f95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:07.701194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013580/manifest.jsonobserved 472a59108244bed9b64f976dcfde1257...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:07.670066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013580/publication.mdobserved 70237c42db6ed1e78175538ce107bedc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:07.634043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013580/publication.txtobserved 76051fd2d18a700adfe878807ec9239b...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. |
|---|