OT-2026-000021312
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021312) never changes.
Identity and time
| Publication number | OT-2026-000021312 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7edd-aeb0-78a29f49d5d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021312 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a5241a6dc9bed10fa41bec84776d1afa9c7c479ade3e449ffbe5980971a42c0 |
|---|---|
| Markdown | c931431dd62f7ea17dfed400251fd8dac66a38cd42b860b0a7ff7223486ef60d |
| Publication page | acef54b55a9d8dbc03649e0256dee6629af3980a2ddfec8a734836c6978d288f |
| Manifest | 1bca9de149db3f2dc60f08f31293ab486795d66b1a98be11b0092281bec5232b |
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 | p95Th+z0mbSNY1oY0o5yytYdDldPtlQlYERobbeLhGY4RM1Ep2SHC2oBAcBxLEP63Zrf88/oUi3O4CEM//h8AQ== |
| 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
| 2026-09-17T11:55:09.434323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021312observed acef54b55a9d8dbc03649e0256dee662...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:09.413567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021312/manifest.jsonobserved 1bca9de149db3f2dc60f08f31293ab48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:09.389761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021312/publication.mdobserved c931431dd62f7ea17dfed400251fd8da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:09.369078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021312/publication.txtobserved 1a5241a6dc9bed10fa41bec84776d1af...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. |
|---|