OT-2026-000072153
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000072153) never changes.
Identity and time
| Publication number | OT-2026-000072153 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-70b1-90df-cb37e62df37a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072153 |
| Status | PUBLIC |
Content hashes
| Canonical text | b58d09a3ab8a880c030216d2e2018d02fc394ae6fa769049d0bb19327b5132d3 |
|---|---|
| Markdown | 87f62b46ff4c28056d52ce103e567d981f2c3c52dfcdf47f8f3237d5f4a08b45 |
| Publication page | 9bbc36a4cffa2bc15127ff0353d56616f76be310846250b7424aa61f5be50ee1 |
| Manifest | e9f91eab00c749bf9f0e3c809140d2d3a19eb635e80292c89507c4f64c74756c |
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 | GJYEZoo3aMZZpx43A4OQc1wkaO6xH7MF+NalPyTxB+8FmDzUmbJDdUh1IbdgCMjYRBh3qjUGy6k74yxx5lewCw== |
| 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
| 2026-11-02T20:41:52.321435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153observed 9bbc36a4cffa2bc15127ff0353d56616...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T20:41:52.268324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/manifest.jsonobserved e9f91eab00c749bf9f0e3c809140d2d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:52.221366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/publication.mdobserved 87f62b46ff4c28056d52ce103e567d98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:52.165025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/publication.txtobserved b58d09a3ab8a880c030216d2e2018d02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:49.597807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153observed 9bbc36a4cffa2bc15127ff0353d56616...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:49.469097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/manifest.jsonobserved e9f91eab00c749bf9f0e3c809140d2d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:49.374642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/publication.mdobserved 87f62b46ff4c28056d52ce103e567d98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:49.279847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072153/publication.txtobserved b58d09a3ab8a880c030216d2e2018d02...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 |
|---|