OT-2026-000020478
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000020478) never changes.
Identity and time
| Publication number | OT-2026-000020478 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-70b3-856e-7c4d0d9de6cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c3d2479dbf0107c24812c9206fc75b56bf2843e84add569d46d3b38e91a16c8 |
|---|---|
| Markdown | f5a7b2fe7cadef332ace39d47b3bc10aef1f11aad39ca3249ca826712a109204 |
| Publication page | f315ff2edf997683708eb5e0f8927a13afb5e122d7bd7305f9a023a2f2d24a9d |
| Manifest | 424a567fe3e10ea5193634d3d62cbcda4bab74c572cd758a23d6e99e1fdaa561 |
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 | 5bel5+IRI9KazYVQaaOlk2qHCeQGU9XTFUnkpuXDNNoepwR81otqMdGrH+TFnLPesoZi5bxAqyqtArt1kLyAAQ== |
| 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
| 2026-09-17T12:00:25.367646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478observed f315ff2edf997683708eb5e0f8927a13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:25.348100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/manifest.jsonobserved 424a567fe3e10ea5193634d3d62cbcda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:25.324758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/publication.mdobserved f5a7b2fe7cadef332ace39d47b3bc10a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:25.294853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/publication.txtobserved 9c3d2479dbf0107c24812c9206fc75b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.168036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478observed f315ff2edf997683708eb5e0f8927a13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.150499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/manifest.jsonobserved 424a567fe3e10ea5193634d3d62cbcda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.132619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/publication.mdobserved f5a7b2fe7cadef332ace39d47b3bc10a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.116392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020478/publication.txtobserved 9c3d2479dbf0107c24812c9206fc75b5...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. |
|---|