OT-2026-000020307
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000020307) never changes.
Identity and time
| Publication number | OT-2026-000020307 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-727c-b868-556729350911 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020307 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5333452de7f00a61e44a3c379483a12502a5d502b826b64b962156adbe15846 |
|---|---|
| Markdown | 1a5ce1e2835657cd4fa523a861fdc8b0a73e016631366daa6711c5a6574c891c |
| Publication page | f41409fca933993fa02c921d6efc1817f9fdcf61f847443ae9756a3164bd1e10 |
| Manifest | 8d4bf4b6f80e08adad984f31e1c747f3418af84b35ffd6c2ccaac20afa9463ff |
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 | T0HRM769yBLr+7X6XYSjwV5Gx10x5dPbo39+hqkc3wlFFmmKOU4H0qk7VcSypNmd0Z7tUbuc9SCSTCN6hlItAQ== |
| 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
| 2026-09-17T11:56:39.772131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020307observed f41409fca933993fa02c921d6efc1817...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.753721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020307/manifest.jsonobserved 8d4bf4b6f80e08adad984f31e1c747f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.735960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020307/publication.mdobserved 1a5ce1e2835657cd4fa523a861fdc8b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.717501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020307/publication.txtobserved a5333452de7f00a61e44a3c379483a12...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. |
|---|