OT-2026-000025872
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000025872) never changes.
Identity and time
| Publication number | OT-2026-000025872 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83e-72df-8a7e-e1470c16adc8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025872 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6416bb413388459fc39788830340cd4d75130ee42e7dad0ccb4b66af8bf8bdab |
|---|---|
| Markdown | 0352bce6ffdabdb66759fa25d260693d084190f416664f5c95d37944ced3c21f |
| Publication page | eaa4a7c974c20d05381ab35822d11b5bcbe96f2f8427ad62f7c4346a4f2759fe |
| Manifest | 8bc207d0ea5d8c36256ffcc1bb62f7be0bf8f28ce2dc0ab45f87ebbf5346271b |
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 | P6iWYvJVVOAmto9ytbXh9k8WVZOicWFZ4gRwI5/sXMtD1QNCawOYYwzG/hHD4QsBxoeXOTdS0Evv2rDVorvnDA== |
| 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
| 2026-10-13T16:42:01.089021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872observed eaa4a7c974c20d05381ab35822d11b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:42:00.920098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/manifest.jsonobserved 8bc207d0ea5d8c36256ffcc1bb62f7be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:42:00.715047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/publication.mdobserved 0352bce6ffdabdb66759fa25d260693d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:42:00.568823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/publication.txtobserved 6416bb413388459fc39788830340cd4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:42:47.252119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872observed eaa4a7c974c20d05381ab35822d11b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:42:47.052846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/manifest.jsonobserved 8bc207d0ea5d8c36256ffcc1bb62f7be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:42:46.856760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/publication.mdobserved 0352bce6ffdabdb66759fa25d260693d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:42:46.574890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025872/publication.txtobserved 6416bb413388459fc39788830340cd4d...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 |
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