OT-2026-000021512
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021512) never changes.
Identity and time
| Publication number | OT-2026-000021512 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7780-a189-0e396ac30c83 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79f6bf6e7f332a3dd3fe57ae0b9329ea1d092d71a641210a7fee19913f19eca9 |
|---|---|
| Markdown | 257048a1cfa5cd4935c6f7c3468b538fb39aad804e8fa8a26babec6beaaa112f |
| Publication page | 77c0bea0ef18a7bb3b7120e4ddbeb3defbbc26d1258756d75eb4284db3bfb4de |
| Manifest | 3820ff7f184ff5ac589c1456ae2249fc6150a8f9639ccf5a29b70d9ca1a2c05c |
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 | cLo859kkQojP250WZiVjhNZ+irNOrgvPdQYcmJxyanrKMYndgXZy4d0Lr5r1x/4svQg1DvsGTefzFCxvxaF3BA== |
| 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
| 2026-09-17T11:55:25.845158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021512observed 77c0bea0ef18a7bb3b7120e4ddbeb3de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.827289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021512/manifest.jsonobserved 3820ff7f184ff5ac589c1456ae2249fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.807646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021512/publication.mdobserved 257048a1cfa5cd4935c6f7c3468b538f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.789328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021512/publication.txtobserved 79f6bf6e7f332a3dd3fe57ae0b9329ea...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. |
|---|