OT-2026-000090828
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000090828) never changes.
Identity and time
| Publication number | OT-2026-000090828 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7637-b030-696dc02b96dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090828 |
| Status | PUBLIC |
Content hashes
| Canonical text | e17d65de3766996392b1aa4aec2b5bf2c99b06c99c3fbbcb36ab5ac4ff4fd734 |
|---|---|
| Markdown | f8ffc55ba6a4a2be147fac3886c7144b945cf5852f22e26b4b034e3bfc8e3117 |
| Publication page | 4cb3279c44ce5f1c4c3afbb87b4004c9f3aea63980dc9dd6d50dfe61c5c39f9b |
| Manifest | 7ad8d840815c5511b0df85eb4bb640cbbd9d2bfbc6e2760e478eb74b9d849059 |
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 | TTaxnFZdhzzLYgJs2P6u3fSOe8LmSBIHLlfyvTK0zdMUVVtOilDl2xetbkE7FqFIei1IYcCLP4c5k/JpIxNSDg== |
| 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
| 2026-09-17T09:43:52.341705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090828observed 4cb3279c44ce5f1c4c3afbb87b4004c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.326706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090828/manifest.jsonobserved 7ad8d840815c5511b0df85eb4bb640cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.310280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090828/publication.mdobserved f8ffc55ba6a4a2be147fac3886c7144b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.292691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090828/publication.txtobserved e17d65de3766996392b1aa4aec2b5bf2...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. |
|---|