OT-2026-000021869
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000021869) never changes.
Identity and time
| Publication number | OT-2026-000021869 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7858-b5fa-95baeefccfcb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021869 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5bbcc2d8479ddbc34601eaedd46fd4236f8cae3f85615c448515096f316af10c |
|---|---|
| Markdown | e85f78f68844aed3ba492b60761527398fc86ff5e80e6582ed93551983f49341 |
| Publication page | 7fa1adab40a86d2ee0c83a6e1403e270b8eabe699a0372e5301574c33a1e660c |
| Manifest | f86b88d82f9dabd439f4fa08f234fb8a3ed37d2cd603454f73ea641bebe11272 |
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 | T0itv4q4j7YJwK3Vaxnlr+eYwo5P0HVAIfpXuJJryzUQYzYGWPWVEpt5K2vOSnRTCcwhuzRtdXN6eso4P61vCg== |
| 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
| 2026-09-17T11:54:26.020459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021869observed 7fa1adab40a86d2ee0c83a6e1403e270...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.002483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021869/manifest.jsonobserved f86b88d82f9dabd439f4fa08f234fb8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.983946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021869/publication.mdobserved e85f78f68844aed3ba492b6076152739...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.964898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021869/publication.txtobserved 5bbcc2d8479ddbc34601eaedd46fd423...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. |
|---|