OT-2026-000056191
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000056191) never changes.
Identity and time
| Publication number | OT-2026-000056191 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7e5f-a295-7e14e80aea86 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a6ba6adec3e3d1dccd9ea460a8b8abfa6aaf2e99b8cc53bbe93e00498071701 |
|---|---|
| Markdown | 837c290966e19f2cc22ebd25df269a21dd0e5577c7d015b72150a60dffdca065 |
| Publication page | 0c4c87c5572e5c9ffd7ee2b22a56ba7b04c326e83166ab88a22a94ed0c623ee0 |
| Manifest | 036995fb7334c28c4028679467270329647e51f928f8852b32f63f4a8c3e879d |
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 | MMUqXW0UVLT/fObyaLfRjy62Ti2kuREAbUSNoWges6Fdz1HhvNVDILDj8X3pkQNNvOZS5YAtXk2YhLfpGre9Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:39.282885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056191observed 0c4c87c5572e5c9ffd7ee2b22a56ba7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:39.263889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056191/manifest.jsonobserved 036995fb7334c28c4028679467270329...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:39.244516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056191/publication.mdobserved 837c290966e19f2cc22ebd25df269a21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:39.225500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056191/publication.txtobserved 4a6ba6adec3e3d1dccd9ea460a8b8abf...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. |
|---|