OT-2026-000075921
Publication integrity record
Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000075921) never changes.
Identity and time
| Publication number | OT-2026-000075921 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29ff-760b-911d-ed04361918e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c74a42823dbd27864dc49e1af0d2afd9a4e227f244c25449caf4e804e398f6c |
|---|---|
| Markdown | b454ed20d3a1ce721036c5f906aa4085a0a1b20f68a8ac01e155a294fe3fb574 |
| Publication page | 542d238f51786f6e7f90e9aa371c2b11869cada320c943b44584f0a1dca0a9b9 |
| Manifest | 2bfd1c60a790737294e161ca13476203e12e65062e60eae3f9af8e8f341ec8df |
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 | NoKRo9m5HulfeRASz/qLtkcuusivz065lTHn7M2S26B/iq/RImVKP4uZ9C3t/yUkTJ7iYhB6B1Pb27fksIZpDg== |
| 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
| 2026-09-17T10:14:46.050019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075921observed 542d238f51786f6e7f90e9aa371c2b11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:46.031025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075921/manifest.jsonobserved 2bfd1c60a790737294e161ca13476203...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:46.010609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075921/publication.mdobserved b454ed20d3a1ce721036c5f906aa4085...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:45.814528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075921/publication.txtobserved 8c74a42823dbd27864dc49e1af0d2afd...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. |
|---|