OT-2026-000090434
Publication integrity record
Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000090434) never changes.
Identity and time
| Publication number | OT-2026-000090434 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-782d-ab6f-4a26ab0b090f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090434 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d0e4c694a042a9990d7175e9c7069581100e498e23aa72716b19f977616b43a |
|---|---|
| Markdown | 80249cef9c12d5ed15f32be284a4c874935d9ccdf9ea601ddda2256f2cfdf201 |
| Publication page | 46a79523902bae50549759db2c63fad54a043edff82bc321195bede101f184df |
| Manifest | e41fccfba5e2ec7d9f61ccd20b2a5e506b0811f13934301efef29bfbbc7b15c7 |
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 | U7n+Zide1+IZxuR0drSSsNFCrjNoiiPgSZTEJ+ZlhyA5iwagAL4mcf7Rt+AtdAtHj/3le0O+WJGBRof83AwbCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:33.119389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090434observed 46a79523902bae50549759db2c63fad5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.101619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090434/manifest.jsonobserved e41fccfba5e2ec7d9f61ccd20b2a5e50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.082529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090434/publication.mdobserved 80249cef9c12d5ed15f32be284a4c874...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.065500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090434/publication.txtobserved 0d0e4c694a042a9990d7175e9c706958...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. |
|---|