OT-2026-000077401
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000077401) never changes.
Identity and time
| Publication number | OT-2026-000077401 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7da5-af32-8ee9a56b8b6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077401 |
| Status | PUBLIC |
Content hashes
| Canonical text | e63fd2e5973e528a40953786b5c0b349de067a8c56fd56e0c0e9ee5512e6ecd2 |
|---|---|
| Markdown | fa8b26498ab1e334d5f1d5660f548516adb324133316780b1a67ea75b6024ab1 |
| Publication page | 603e3a20759be8699c706683d1e34061293cd04725db3bce491d8a075c45e0e2 |
| Manifest | 80b2c973a5e78848ebd2613722287e2a9f37ba7dc2fc657598e3ebf4c6f8e2a9 |
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 | zHZk5Iew/aiY4QnRXMwfx7+S8LSzeJzaroT8T2SxxyW168e6NOK+VIJ7HUFl6S1wbAEks0QFTHNKl/Lw6BtYBQ== |
| 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
| 2026-09-17T10:09:02.980823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077401observed 603e3a20759be8699c706683d1e34061...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:02.960516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077401/manifest.jsonobserved 80b2c973a5e78848ebd2613722287e2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:02.939823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077401/publication.mdobserved fa8b26498ab1e334d5f1d5660f548516...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:02.920400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077401/publication.txtobserved e63fd2e5973e528a40953786b5c0b349...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. |
|---|