OT-2026-000020639
Publication integrity record
Two cup vacuum gripper, two 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-2026-000020639) never changes.
Identity and time
| Publication number | OT-2026-000020639 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-708d-94e4-631fec5ebe93 · 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-2026-000020639 |
| Status | PUBLIC |
Content hashes
| Canonical text | 14e2dab816d111f86b7ae9d02a75f85bab97a31507bf3e113db9dffb5bfff9b3 |
|---|---|
| Markdown | 11cdc8b7899c1950d1c077960a49f3f5f6cb7f8035b06cb4d5b5f6c30b545303 |
| Publication page | d7468f34f1eb04ec94c88ad6f065f2f921f922845d82ae2169ed9665c261ef62 |
| Manifest | 8fbd48e7c433540eb83d48a9d558c45388ec1405636026e8772fcddf4a53b682 |
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 | B7Thy9OCtL8NuY1LB8yMV0WI9pPuKKRecIAoyCJSpXjnexsFaoxiesYI7TyqdW1CL1a7G7nUa6WRMztXUVRsAA== |
| 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
| 2026-09-17T11:55:35.404490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020639observed d7468f34f1eb04ec94c88ad6f065f2f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:35.384558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020639/manifest.jsonobserved 8fbd48e7c433540eb83d48a9d558c453...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:35.365820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020639/publication.mdobserved 11cdc8b7899c1950d1c077960a49f3f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:35.345770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020639/publication.txtobserved 14e2dab816d111f86b7ae9d02a75f85b...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. |
|---|