OT-2026-000013957
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000013957) never changes.
Identity and time
| Publication number | OT-2026-000013957 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7b4e-8175-02ee3c655add · 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-2026-000013957 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b3d16f916041cef12babb940ef766b03c115126a35464269d9e22a05bd67c0f |
|---|---|
| Markdown | 9766d7403697118776915f5c6efb4e5e2dc997bf6c0ded18e91ca65968a74ec9 |
| Publication page | f33ad8d7fdfc8d1dd4b59563128bba1d104e88ea645e3f334c2b54497c2b61a6 |
| Manifest | 6e6769fa881d11acdd3be863838cbe457a0a1d6a6122de48a97be54d253acc27 |
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 | OX8DpGGYcqK6SlIZ9Jn89jySb1ITXqMuXVOdYOnIhQhh1PTiYSici9iBkZaAcCGiAuWGM9fq6y5QXeFrCnJoDQ== |
| 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
| 2026-09-17T12:09:09.715581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013957observed f33ad8d7fdfc8d1dd4b59563128bba1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:09.694260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013957/manifest.jsonobserved 6e6769fa881d11acdd3be863838cbe45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:09.674608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013957/publication.mdobserved 9766d7403697118776915f5c6efb4e5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:09.655923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013957/publication.txtobserved 1b3d16f916041cef12babb940ef766b0...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. |
|---|