OT-2026-000072034
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072034) never changes.
Identity and time
| Publication number | OT-2026-000072034 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c1-7d66-a9c3-e8554adaaa44 · 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-2026-000072034 |
| Status | PUBLIC |
Content hashes
| Canonical text | b969fe3021e098ca8ca8a11f95ce49044ca5640a80c865b97f42ddcbb0014864 |
|---|---|
| Markdown | b1635c713294fcfb42d868c4f4a016fcf97c2ab918889d3ef0637be790c14dbb |
| Publication page | cce9096d89097ee77e12250fb39e3d7cea32698344f7a41acd70fd0959c1f612 |
| Manifest | c2f1267c622690fc749aeefdf2665991c92095ba3637bfbf70e828f998cff1c5 |
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 | T67qFsNFu6wBU7bWwcBID6Shlp2NsETQFuum8HfRSY7Q17IqZiRw1/GryasThbpcEJDNROS2Nk6z5sAATYwcCA== |
| 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
| 2026-10-17T00:41:05.036125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034observed cce9096d89097ee77e12250fb39e3d7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T00:41:04.988515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/manifest.jsonobserved c2f1267c622690fc749aeefdf2665991...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:04.941180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/publication.mdobserved b1635c713294fcfb42d868c4f4a016fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:04.841648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/publication.txtobserved b969fe3021e098ca8ca8a11f95ce4904...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:33.608705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034observed cce9096d89097ee77e12250fb39e3d7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:33.530131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/manifest.jsonobserved c2f1267c622690fc749aeefdf2665991...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:33.452002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/publication.mdobserved b1635c713294fcfb42d868c4f4a016fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:33.372101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072034/publication.txtobserved b969fe3021e098ca8ca8a11f95ce4904...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 |
|---|