OT-2026-000019040
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000019040) never changes.
Identity and time
| Publication number | OT-2026-000019040 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-7ad8-8380-696140302bb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019040 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43573dad5130058225742c9c3a8d39aa905d2ba8a0067de522492cbef1a87559 |
|---|---|
| Markdown | bde606f66a56d56acbccf5341ef2ae636b0f5be67110cc79a4fdfed302b915b1 |
| Publication page | b58d069252aca65c4180a3abe5b318fccccfd297e9130ff4471d9b1727272717 |
| Manifest | 4613bb762ba0389ec55dacd373cb29541e06eccc3be8bf78483d220f29ba871b |
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 | PHPTsWlvOn2gkdf+gijGwlXmVzalh8RKDWvLOl/UxdX+e1yfHF6ZTGjZXFI/e8SSkFAI/8XphHJuoR3VcGgGCw== |
| 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
| 2026-10-04T12:41:04.812092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040observed b58d069252aca65c4180a3abe5b318fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T12:41:04.757808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/manifest.jsonobserved 4613bb762ba0389ec55dacd373cb2954...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:04.704238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/publication.mdobserved bde606f66a56d56acbccf5341ef2ae63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:04.623488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/publication.txtobserved 43573dad5130058225742c9c3a8d39aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:21.588441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040observed b58d069252aca65c4180a3abe5b318fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:21.538814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/manifest.jsonobserved 4613bb762ba0389ec55dacd373cb2954...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:21.474877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/publication.mdobserved bde606f66a56d56acbccf5341ef2ae63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:21.398974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019040/publication.txtobserved 43573dad5130058225742c9c3a8d39aa...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. |
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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 |
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