OT-2026-000031820
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000031820) never changes.
Identity and time
| Publication number | OT-2026-000031820 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7bfa-ad08-1ff46b70c95c · 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-2026-000031820 |
| Status | PUBLIC |
Content hashes
| Canonical text | f33dde5fc9e59e4946ef3b94e87d0c9f5c37ca1afe6fb642f774047c98d7fb64 |
|---|---|
| Markdown | bebe433a9190765bd9de585ccd795013e92608863ffb48aaf5598598fc3a7db9 |
| Publication page | 99e8b088b0fdcba8fe533b4ada5895dec7fbcfc0852ca84c537a8df737ea0dfb |
| Manifest | 8ee656cae33b7eaba62b4d538527e737a444c60fbae47585fe0d5c563056acbb |
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 | jSgXciNyssovyZIu/A3/DQ+Gigblc5RbagVeoIaForsGpIdWicW6kjaGPY/zNQ+JTQFuF4VU3nJtRMlsXUbYCw== |
| 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
| 2026-09-17T11:34:59.087086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031820observed 99e8b088b0fdcba8fe533b4ada5895de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:59.064843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031820/manifest.jsonobserved 8ee656cae33b7eaba62b4d538527e737...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.040037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031820/publication.mdobserved bebe433a9190765bd9de585ccd795013...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:59.013699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031820/publication.txtobserved f33dde5fc9e59e4946ef3b94e87d0c9f...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. |
|---|