OT-2026-000003581
Publication integrity record
Bellows cup vacuum gripper, three outlet manifold, two stage ejector, pressure verified, contact triggered
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-2026-000003581) never changes.
Identity and time
| Publication number | OT-2026-000003581 · never reused |
|---|---|
| Internal UUID | 01a0a90a-70de-714d-9913-0114b50c0ec8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:08.897070Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003581 |
| Status | PUBLIC |
Content hashes
| Canonical text | c389c6c7db2468073f8662aa482ea4752d201932ccab581bd0c7aaf781121e0b |
|---|---|
| Markdown | 724c906a5ce593f9f57f498e3b44fc97b9ecbda74c334835d93f121cae91714d |
| Publication page | 95a8ed86bb506232b4a60dd8acedc64111d9cb8517b9aede8f00a22c37f78b23 |
| Manifest | 52657e7ebdee99d3ceedade8076b829c897864d6078f7a37412f85a748b0e01e |
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 | 3A0+vRT+MUnXN5gPXBqmPBdiOBK0XwhrqWUpHWoD9r5YveOI1cLx1yjOhYMRILc9xta0RqdHMcmwwPhrq7o2BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-29T08:41:32.379237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581observed 95a8ed86bb506232b4a60dd8acedc641...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T08:41:32.301463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/manifest.jsonobserved 52657e7ebdee99d3ceedade8076b829c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:32.217104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/publication.mdobserved 724c906a5ce593f9f57f498e3b44fc97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:32.024641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/publication.txtobserved c389c6c7db2468073f8662aa482ea475...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:23.290597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581observed 95a8ed86bb506232b4a60dd8acedc641...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:23.218689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/manifest.jsonobserved 52657e7ebdee99d3ceedade8076b829c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:23.146195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/publication.mdobserved 724c906a5ce593f9f57f498e3b44fc97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:23.012021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003581/publication.txtobserved c389c6c7db2468073f8662aa482ea475...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 |
|---|