OT-2026-000012997
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump 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-2026-000012997) never changes.
Identity and time
| Publication number | OT-2026-000012997 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-7aea-b70e-7a8069faf531 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012997 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34418ab74445a767d641cfe243169af3c03171bd643a5ad2ee192c3b8ce8b63c |
|---|---|
| Markdown | 06395510092a1df283931e85ffdde0177e5b7d5e109d6c906ced79481a9a1bb4 |
| Publication page | f8e2bd9c92e416469ef9125ff4b99cbd81b2027ad4fae70cc43b50ce9baf94ec |
| Manifest | 5607bc49edaaa3e59528182a2554425b95f5292c8a23476e5da7a2a1ae27bcd7 |
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 | cLEIPWzmzgRrAZgR+XFxGjmSlEjHKA+MEN6RlrzYXgkCYCNWcrKrDo5jDRuZGR9E1QFqiuWFndrLUgc358edCQ== |
| 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
| 2026-09-17T12:10:49.003164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012997observed f8e2bd9c92e416469ef9125ff4b99cbd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:48.984807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012997/manifest.jsonobserved 5607bc49edaaa3e59528182a2554425b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.964337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012997/publication.mdobserved 06395510092a1df283931e85ffdde017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.944160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012997/publication.txtobserved 34418ab74445a767d641cfe243169af3...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. |
|---|