OT-2026-000021415
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000021415) never changes.
Identity and time
| Publication number | OT-2026-000021415 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-795f-9c45-9d749cb01942 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021415 |
| Status | PUBLIC |
Content hashes
| Canonical text | 765cfc88de67e2c6d451b2dad435d0348bcc7555d64d4d514de9887f5cf63dc8 |
|---|---|
| Markdown | 49fa68dfaacb97a42fad39450aba82911abf1e8ae93bb761643b7261cf7659db |
| Publication page | 322ac5cd5921a9f2d3c912a2241dfbf28b76136126476f7457587e4288dc0653 |
| Manifest | e0b02b08ef48b4b321746487d230fc56e808cafbe7c3d78c4af764c984234ea8 |
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 | +n7L0M9Vj7TgYO59EICaGXetu2xoEYf6XKbLXqKyq3ri7ZdagqlY/jw77aPSRkHJFP9DslD6jbBkhFOQH06wCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:49.640606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021415observed 322ac5cd5921a9f2d3c912a2241dfbf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.618800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021415/manifest.jsonobserved e0b02b08ef48b4b321746487d230fc56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.580988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021415/publication.mdobserved 49fa68dfaacb97a42fad39450aba8291...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.555205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021415/publication.txtobserved 765cfc88de67e2c6d451b2dad435d034...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. |
|---|