OT-2026-000021551
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021551) never changes.
Identity and time
| Publication number | OT-2026-000021551 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-75d5-be9d-68da74942518 · 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-2026-000021551 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88452e9dc20e025d00114da260b9ccf850a54b302cdcce2b12e862929362776d |
|---|---|
| Markdown | ed9c749347f4bed64a7c124885909732590227dfaef4de0f0e805ce6c2144c14 |
| Publication page | c462792f233289e4748362f393b30c528e84ecc40ff2f89214348440d9e8f696 |
| Manifest | b3c4bde440c446dc968b15becfc8b22fc4335842bb6c96f10fcafc0db05a281b |
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 | j3BvsCWyNXFGHvL7AV09pr0NO//F7pwqLiPsAPKt+/NSOrsQAhBftyuCjHc88tHOg8agC0AiLaMe3P1N3Va+CQ== |
| 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
| 2026-09-17T11:55:28.354971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021551observed c462792f233289e4748362f393b30c52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.335218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021551/manifest.jsonobserved b3c4bde440c446dc968b15becfc8b22f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.315878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021551/publication.mdobserved ed9c749347f4bed64a7c124885909732...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.296511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021551/publication.txtobserved 88452e9dc20e025d00114da260b9ccf8...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. |
|---|