OT-2026-000013987
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-2026-000013987) never changes.
Identity and time
| Publication number | OT-2026-000013987 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7f5b-8d66-9528d0cc055c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013987 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69843735e1a572da18a5bd0f5acf25aff83649c26d390f647b84c8b2978c7ccf |
|---|---|
| Markdown | 888ceddec6289b648f24a82c3050e0765f47809b11e3d43965cd93baa05d943c |
| Publication page | 3e98cdf788fb53c5a2b2d554e4c9f92cd35586bfdb72f8f3904c91a9d3c5d7e5 |
| Manifest | 2bf5f66922a346e2f34a2b2f4c45f6d75e78721a9894427ffeb861d3829c4f41 |
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 | V1WZhaZBIBru1k75xFUOwaWOBCl1zB3xZGVN7SYrHTzbnqHKP1wHV22LWSO/P/fVidCC5CdsNTuYF73mtFtcCA== |
| 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
| 2026-09-17T12:09:12.232966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013987observed 3e98cdf788fb53c5a2b2d554e4c9f92c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:12.212413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013987/manifest.jsonobserved 2bf5f66922a346e2f34a2b2f4c45f6d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.193907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013987/publication.mdobserved 888ceddec6289b648f24a82c3050e076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.173741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013987/publication.txtobserved 69843735e1a572da18a5bd0f5acf25af...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. |
|---|