OT-2026-000021447
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021447) never changes.
Identity and time
| Publication number | OT-2026-000021447 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-749f-8752-9b82445a4d49 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021447 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfd2cca678ae8266c08a6286d062735b1875cd7d60a17cffc8337a63e072154f |
|---|---|
| Markdown | abb815bf6fb63a8662196afd7ff543ac847b27d7c36a1093b72207235b5f6515 |
| Publication page | 7e1c357d2bbed3e1f15129f03e0bb659bcc746f7d9036a384e24849f826c3cc7 |
| Manifest | 714abb95353b719f239a7ed9e712ff597cf28b37771e5a87bae4e38dd89b56ce |
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 | wP6gPm2mug+A79Iz8qk4rHWz8SjmysGDcvtUZ2nCjATHgyKoHYuvOjANqx2sXpJpGdzmRIGlYuHedHvhkzIZBg== |
| 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
| 2026-09-17T11:55:21.525083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021447observed 7e1c357d2bbed3e1f15129f03e0bb659...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.506949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021447/manifest.jsonobserved 714abb95353b719f239a7ed9e712ff59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.489163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021447/publication.mdobserved abb815bf6fb63a8662196afd7ff543ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.471694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021447/publication.txtobserved bfd2cca678ae8266c08a6286d062735b...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. |
|---|