OT-2026-000075721
Publication integrity record
Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000075721) never changes.
Identity and time
| Publication number | OT-2026-000075721 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-75d8-b00c-bf2891f09bbe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075721 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbcad2b26d95c7ce5e86d9fc5513f4a97099a368ece4259cfb9158cd56be50df |
|---|---|
| Markdown | 44d94f6dfd0d8a56c730ab1c0c4c5beeb4c866de04e94cbdfa98d7ab0317a4c8 |
| Publication page | 19835e3a820cecb218055287926294d243268527df66773bd1b93bd4bace179a |
| Manifest | 520ad26b21fa33dbce2329b4961ca6c11fd878a3f7a8305ac5832f55d08f6b52 |
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 | 1pkzCZ+ns8Bj1LwrgYj2klKraucr0rwf6jlDmOtdP+PknYwAgm+c+rF3xjmOuMWXkWgvoKmLhJDvF9RaPEFRDA== |
| 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
| 2026-09-17T10:13:58.707177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075721observed 19835e3a820cecb218055287926294d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:58.308702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075721/manifest.jsonobserved 520ad26b21fa33dbce2329b4961ca6c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:58.289283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075721/publication.mdobserved 44d94f6dfd0d8a56c730ab1c0c4c5bee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:58.270401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075721/publication.txtobserved dbcad2b26d95c7ce5e86d9fc5513f4a9...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. |
|---|