OT-2026-000041563
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold 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-2026-000041563) never changes.
Identity and time
| Publication number | OT-2026-000041563 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e89f-74c4-a374-644218c2bd1f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041563 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5873caa62dc458512b3d7c7d28e31ba8e7c6f4fb5d919bb9b4611ea1e138b76d |
|---|---|
| Markdown | b69ea4946c489190a9a42b0869698b5b1ca64b6cbd55a9b04ead5bfc9455f1db |
| Publication page | 8d6fcf18e1a33fff4fe5e76be50977e669c667c8119b90dfbe69984501502f90 |
| Manifest | 4874d463e69f8cfa55b4cd6fd35bddd7aea787c1e2372cb4bfcc4d52d8a4cf75 |
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 | QShGNtgDIB4DYddq2S/hBU06Kj0syjHvckJ8xvb5N2/xN89bLjvnk2A8hpJ2oghfPk4qSzxhlHoABupb5AgeBw== |
| 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
| 2026-10-22T20:42:07.938745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563observed 8d6fcf18e1a33fff4fe5e76be50977e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T20:42:07.886641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/manifest.jsonobserved 4874d463e69f8cfa55b4cd6fd35bddd7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:42:07.805038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/publication.mdobserved b69ea4946c489190a9a42b0869698b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:42:07.593326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/publication.txtobserved 5873caa62dc458512b3d7c7d28e31ba8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:50.757574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563observed 8d6fcf18e1a33fff4fe5e76be50977e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:50.652802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/manifest.jsonobserved 4874d463e69f8cfa55b4cd6fd35bddd7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:50.505731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/publication.mdobserved b69ea4946c489190a9a42b0869698b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:50.328074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041563/publication.txtobserved 5873caa62dc458512b3d7c7d28e31ba8...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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