OT-2026-000090305
Publication integrity record
Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000090305) never changes.
Identity and time
| Publication number | OT-2026-000090305 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-7fd3-b7bc-54d93b462527 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090305 |
| Status | PUBLIC |
Content hashes
| Canonical text | a552bf385bb7598d0f69ac8d624d475186f3b02d2e3d274f7bd4548eff0605ee |
|---|---|
| Markdown | 14f0b931afc7579e78024af2f257deca4b1102b529b03a61e796d60f30b03961 |
| Publication page | e93761f436c911e34ecddf9edc480688cc9db4b158dc95b3dc4f513d154c0c34 |
| Manifest | 25ffe85b72dd79fc204bcc68f5b852c5db5c6a775e67718e98f592b46b80db1a |
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 | taQk4X+TnC1vhRRUlEXH2NE3TUiXUTyBrpVETCZXbJqEyKfRThBkADWvnyaUfvKbWinrEaQFOem0FilQgvQlAg== |
| 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
| 2026-09-17T09:46:23.659507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090305observed e93761f436c911e34ecddf9edc480688...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:23.642430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090305/manifest.jsonobserved 25ffe85b72dd79fc204bcc68f5b852c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.624861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090305/publication.mdobserved 14f0b931afc7579e78024af2f257deca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.606896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090305/publication.txtobserved a552bf385bb7598d0f69ac8d624d4751...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. |
|---|