OT-2026-000031717
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000031717) never changes.
Identity and time
| Publication number | OT-2026-000031717 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7760-89e9-b17e75d556cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32390ad0161f236b010c0a5dba68b86fc866597886f912c71d7b36affe8cf47a |
|---|---|
| Markdown | 544b48e6746cf6753fd8aa4959b1cfcdde172c8796977ed7008c0d05f9e32bde |
| Publication page | 02aa22c4f2aa8704db879e406cd253dd57a339a9228d9645b0c252ba6d5be03f |
| Manifest | c2f7c71cd34dbdcc18ecaed034ba515516d6ad6ac3a58bd64a3263a98e9abfea |
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 | 2mkweq7ATyRrfvswlSpRdecZD5Vy873cDLLR8w9OVbLpNGQ4aeb+TbyHyQB/bAVXOGnaAzeZbsM9DphkO5TFBA== |
| 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
| 2026-11-04T04:41:17.701120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717observed 02aa22c4f2aa8704db879e406cd253dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T04:41:17.621783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/manifest.jsonobserved c2f7c71cd34dbdcc18ecaed034ba5155...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:17.550692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/publication.mdobserved 544b48e6746cf6753fd8aa4959b1cfcd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:17.427598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/publication.txtobserved 32390ad0161f236b010c0a5dba68b86f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:37.132531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717observed 02aa22c4f2aa8704db879e406cd253dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:37.007155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/manifest.jsonobserved c2f7c71cd34dbdcc18ecaed034ba5155...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:36.867970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/publication.mdobserved 544b48e6746cf6753fd8aa4959b1cfcd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:36.576931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031717/publication.txtobserved 32390ad0161f236b010c0a5dba68b86f...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 |
|---|