OT-2026-000027910
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000027910) never changes.
Identity and time
| Publication number | OT-2026-000027910 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-794f-b4b1-b30aa8521ab7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027910 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4dcb61ba6e80d453363924bd903abf090972e4e52215dc9476b3e854187e43e1 |
|---|---|
| Markdown | a85a120ad3384c025ff5dfa2f39bb346854f71f16b34d022735bbc50ce2a18f0 |
| Publication page | 6c20f0cbcfd89b5b90a9d522d8eb2f68b062a7b292e88ef550d572e3b713b805 |
| Manifest | 47841d83b718e695c21175443179ce3f7fb9f3cf891f8f06a6c961c58130a420 |
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 | UvEGCo2ccNJyaTB+JReAmjw/3iuFjpNZx7xTSEe/vlbfR3d+6N24m20KGAwur628T/OHerryD38xcQeTaQVhCA== |
| 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
| 2026-10-23T00:41:29.849366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910observed 6c20f0cbcfd89b5b90a9d522d8eb2f68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T00:41:29.797642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/manifest.jsonobserved 47841d83b718e695c21175443179ce3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:29.729639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/publication.mdobserved a85a120ad3384c025ff5dfa2f39bb346...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:29.628161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/publication.txtobserved 4dcb61ba6e80d453363924bd903abf09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:24.599268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910observed 6c20f0cbcfd89b5b90a9d522d8eb2f68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:24.551582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/manifest.jsonobserved 47841d83b718e695c21175443179ce3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:24.484831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/publication.mdobserved a85a120ad3384c025ff5dfa2f39bb346...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:24.379182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027910/publication.txtobserved 4dcb61ba6e80d453363924bd903abf09...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 |
|---|