OT-2026-000014403
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000014403) never changes.
Identity and time
| Publication number | OT-2026-000014403 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-b27a-78b8-8b75-03c6b33a2bb2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:39.853300Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014403 |
| Status | PUBLIC |
Content hashes
| Canonical text | f23fbdf7d635cc033a035e11c4e4326edb4f41152f372bfa3891175da8d372df |
|---|---|
| Markdown | 7549c49c3c1d1175abbd1d5c5eee4bb48cd7395e0a6ef0fc84d0583762faada6 |
| Publication page | 94c36e0e55ae0c44fbf53e10ded2068014a9d40f6f4825d5b80ab90207a0b6e2 |
| Manifest | 5653542726ff5f1ed8641964ac20c78108326e41d5c6cb23fe76dce94b1b1161 |
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 | wRJCz1FsZzZ7VF1lH/ao9BJqCB6n6VyilS3UQxhzS48Fjh+14Z3ANTogl/KaTp8MYNBab6IYw4LFqjDgZNPZDA== |
| 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
| 2026-10-19T16:41:59.612795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403observed 94c36e0e55ae0c44fbf53e10ded20680...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:59.551167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/manifest.jsonobserved 5653542726ff5f1ed8641964ac20c781...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:59.493751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/publication.mdobserved 7549c49c3c1d1175abbd1d5c5eee4bb4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:59.391108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/publication.txtobserved f23fbdf7d635cc033a035e11c4e4326e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:09.858729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403observed 94c36e0e55ae0c44fbf53e10ded20680...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:09.839907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/manifest.jsonobserved 5653542726ff5f1ed8641964ac20c781...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:09.821006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/publication.mdobserved 7549c49c3c1d1175abbd1d5c5eee4bb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:09.801292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014403/publication.txtobserved f23fbdf7d635cc033a035e11c4e4326e...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|