OT-2026-000031148
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000031148) never changes.
Identity and time
| Publication number | OT-2026-000031148 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7609-91fa-8e49ae814e6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031148 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1da90a443d1f8f027dce9e6c4ea71a820b0a45bebcea2c3212c270ad4dcf06d2 |
|---|---|
| Markdown | f77f9bc33121b338c43bc45e490fd295a142c2745d8ba5694071522cc5758c92 |
| Publication page | 7871fcbbd4b42e81689a557153f5c714130ae0d009cb7994deb18b74ad4b8167 |
| Manifest | f1b1d6aea07a8cf4745ff6daccc43848ef4b49fe98c7a7ca77ec9ccc5254ea2b |
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 | UfYXfu6U2wwmtaQUaRLqbgg+iBDDwveu/SV7JwzN8DemZ0dBanp61nTLSLthyOJdQqh9rJOPMVJcTGGupVeQAA== |
| 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... |
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Independent retrieval
| 2026-10-06T04:41:17.887190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148observed 7871fcbbd4b42e81689a557153f5c714...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T04:41:17.832962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/manifest.jsonobserved f1b1d6aea07a8cf4745ff6daccc43848...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:17.717598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/publication.mdobserved f77f9bc33121b338c43bc45e490fd295...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:17.623518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/publication.txtobserved 1da90a443d1f8f027dce9e6c4ea71a82...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:20.325342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148observed 7871fcbbd4b42e81689a557153f5c714...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:20.273554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/manifest.jsonobserved f1b1d6aea07a8cf4745ff6daccc43848...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:20.221690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/publication.mdobserved f77f9bc33121b338c43bc45e490fd295...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:20.152815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031148/publication.txtobserved 1da90a443d1f8f027dce9e6c4ea71a82...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 |
|---|