OT-2026-000067578
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000067578) never changes.
Identity and time
| Publication number | OT-2026-000067578 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-6bda-7870-b5fa-d29fbbc871f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:29.998864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067578 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc768e344fcb7dd77a30b903e434ed883fff8bb6802686d1063d014b2da55e54 |
|---|---|
| Markdown | 39f4786ad8a68f681b1f76d81d159483bdf5c6b1f820aa039f5ab801b897d229 |
| Publication page | d621857c001fe44ef1533ce2e0c882e17542f9a479ff741c9b823179423af9b4 |
| Manifest | 65e51de27b1bde93def78b1f2e93e39b1b895355809e24fe9cebb1e949883731 |
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 | pKI+i6ZwPlraK6c2pMcUdL2qt0wYmPdckZNVkUHjJ8nwQnzyRW20gQojtEc6irGrsBma1TPUFmGS++ZrO+8UAg== |
| 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
| 2026-09-17T10:31:53.446518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067578observed d621857c001fe44ef1533ce2e0c882e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:31:53.427817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067578/manifest.jsonobserved 65e51de27b1bde93def78b1f2e93e39b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:31:53.409920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067578/publication.mdobserved 39f4786ad8a68f681b1f76d81d159483...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:31:53.392516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067578/publication.txtobserved cc768e344fcb7dd77a30b903e434ed88...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. |
|---|