OT-2026-000072920
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072920) never changes.
Identity and time
| Publication number | OT-2026-000072920 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c814-78b6-ac0b-bde838c54653 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072920 |
| Status | PUBLIC |
Content hashes
| Canonical text | 372e6c09c658a5732529622edcfeaf33ba9826bad7f074ff66eafcc8de2d6c58 |
|---|---|
| Markdown | f973c135ed2c0466bd8ab5d6bd4a3114a1a8125e8bdaf1359fdb05f4e25bff48 |
| Publication page | 69dd7960708f311dc272153075d6f744f48e912221566d7a99622bafd15f4d32 |
| Manifest | 56df7befc5a23ae38c3ed1bbd381ce5b6b96e22462d340813558a6720c61f309 |
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 | 9WYgwRKBSRUFszYPSuNzlWEXQ6BYu6FHKFU+Pnot8++KPpRA/vrcXnlWxNcTP5uILbcsjd6YNq3bdX+RsguBCQ== |
| 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
| 2026-09-17T10:21:50.029690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072920observed 69dd7960708f311dc272153075d6f744...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:50.009723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072920/manifest.jsonobserved 56df7befc5a23ae38c3ed1bbd381ce5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:49.990407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072920/publication.mdobserved f973c135ed2c0466bd8ab5d6bd4a3114...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:49.972277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072920/publication.txtobserved 372e6c09c658a5732529622edcfeaf33...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. |
|---|