OT-2026-000074094
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074094) never changes.
Identity and time
| Publication number | OT-2026-000074094 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7ca5-95b0-382292d0e5c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074094 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcca120e938bf86d0ee77e366af325430506d0e0fafbba5e5a6905cf618fc419 |
|---|---|
| Markdown | a42d753c72f26bbd190b2ac01c7b36305cabfc608c45a60d055162b813775866 |
| Publication page | af3d534d6d245fd4aaae9d98638d8527521881b3e7c48068a8543fce40c85c6f |
| Manifest | 6ece478ecd20372d11f46e9bf3f431907c1c4abf795f4b9ce725297861ae4dbc |
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 | ixwZiawEvk8kiTQqMUhXOBrtLo3GvwmC9X9rnD7aEBxZ8XOvcTse9lI8ZoU9Zf9UgJzp2H3Q/3XrQVAyo2VgDg== |
| 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
| 2026-09-17T10:21:00.120327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074094observed af3d534d6d245fd4aaae9d98638d8527...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:00.102760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074094/manifest.jsonobserved 6ece478ecd20372d11f46e9bf3f43190...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:00.082335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074094/publication.mdobserved a42d753c72f26bbd190b2ac01c7b3630...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:00.064048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074094/publication.txtobserved fcca120e938bf86d0ee77e366af32543...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. |
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