OT-2026-000031620
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000031620) never changes.
Identity and time
| Publication number | OT-2026-000031620 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bacf-71f0-b672-7ee90fe8deda · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 829b311049681754e453a6df14a0084fa42d281343846ddc4c90fe972cfbf77a |
|---|---|
| Markdown | 281a51b62a2c721e29046444e9f9b1af7b1d0ea205e9925fbc1c425bd143cd65 |
| Publication page | 21140640a87ec1d708f958c134d829c4b9a7d06aba2d8037534a4bf61474490f |
| Manifest | 81eb1c0e999fec0b39ecea9008aee0df4d3b19189766ad25cd0f32b490e84ff2 |
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 | apCizDWvVrV8nf04YmsODGh3QnI/KWIr+MGuYDFob9g6jD9Mpi1ysTvkresZ410UikjHaKVJltPluJRcU0xwDw== |
| 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
| 2026-09-17T11:34:40.123829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031620observed 21140640a87ec1d708f958c134d829c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:40.106413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031620/manifest.jsonobserved 81eb1c0e999fec0b39ecea9008aee0df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:40.089217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031620/publication.mdobserved 281a51b62a2c721e29046444e9f9b1af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:40.069666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031620/publication.txtobserved 829b311049681754e453a6df14a0084f...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. |
|---|