OT-2026-000020880
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020880) never changes.
Identity and time
| Publication number | OT-2026-000020880 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7bb3-84c2-f71065744eb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8bfffb3845808886a8916c44c238dceaedb5c34e598987882576ccc8f26bbea8 |
|---|---|
| Markdown | 13be82363ee29e0422463234511957a5c0f6f7b48528a812a92a2d78a6f5d881 |
| Publication page | ccaef8286c7801e23ab6eaa6dfadf53cda640cbbf560fe182f22a34a3ba4b5f4 |
| Manifest | 465e987f09881695b4f20f80af0e86ba02deb6d214b76232ad679b04da4329a6 |
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 | bbla2amtoMqncZgyAkJmjAp3xu8eAUAmPNKOvbCb/2Kj+IpRZUyHw0PL/BGoBWDFaOvt/O5pPB7rUmHs7ihjDw== |
| 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
| 2026-09-17T11:55:59.404694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020880observed ccaef8286c7801e23ab6eaa6dfadf53c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:59.386027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020880/manifest.jsonobserved 465e987f09881695b4f20f80af0e86ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.366987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020880/publication.mdobserved 13be82363ee29e0422463234511957a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.349336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020880/publication.txtobserved 8bfffb3845808886a8916c44c238dcea...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. |
|---|