OT-2026-000031409
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down
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-2026-000031409) never changes.
Identity and time
| Publication number | OT-2026-000031409 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ad-797c-b268-187119263635 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031409 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5c2bfa54dc0dce775ecbcb2780a01125753a59757f2589256523a41faa11766 |
|---|---|
| Markdown | eced38ae15950ffa2124759d33c050360eac98c7e8175055b4a971d9b65443cf |
| Publication page | 8e8e52133fb17961c67a71ffe14102bb22a9e7856a6589cb2ede61a8751002bc |
| Manifest | 9feab84870d30bf51a68d95656fac8129df0b62df86b67aeb9961897ab92ca87 |
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 | i7FkS1v9/fXpPFHBJHRqLXVvT4GoYChxyOFULI9vQyKNSPrOkX3fqHcf9rPefX4JRM7QYRD4JSK9UxEyJzJ9Bg== |
| 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
| 2026-09-17T11:36:07.446522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031409observed 8e8e52133fb17961c67a71ffe14102bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:07.428449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031409/manifest.jsonobserved 9feab84870d30bf51a68d95656fac812...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:07.409960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031409/publication.mdobserved eced38ae15950ffa2124759d33c05036...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:07.392664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031409/publication.txtobserved f5c2bfa54dc0dce775ecbcb2780a0112...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. |
|---|