OT-2026-000039421
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039421) never changes.
Identity and time
| Publication number | OT-2026-000039421 · never reused |
|---|---|
| Internal UUID | 01a0ae78-9675-7773-987f-0e866d016124 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:33.573712Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000039421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30cac6f7015019fecd48c2a90edcc752c4996ae898223151ca44e9b1e04106b4 |
|---|---|
| Markdown | cea3edafc4510d55890c77d6649f0660e7501f3dc00865df6deb1a6aa02d4f0b |
| Publication page | 3f56b7541b0035eb418399fdc30f2d31fc41182fd7714cb8027916525223b2d2 |
| Manifest | d8f682d563a56eb9c8c96888f664151e1bdda1d1adbc47cb273c96fd6ba8ba67 |
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 | 6Q2Ox4+yFlKFXEG93ju8BYO6EEC2DoQjxqR5mggxFFFG9hw9fhfBo4itpCzfU6zEmXxEthWliAuT0/WokyBIAQ== |
| 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
| 2026-09-17T11:21:02.017969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039421observed 3f56b7541b0035eb418399fdc30f2d31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:21:01.999970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039421/manifest.jsonobserved d8f682d563a56eb9c8c96888f664151e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:01.982946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039421/publication.mdobserved cea3edafc4510d55890c77d6649f0660...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:21:01.965222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039421/publication.txtobserved 30cac6f7015019fecd48c2a90edcc752...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. |
|---|