OT-2026-000049120
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049120) never changes.
Identity and time
| Publication number | OT-2026-000049120 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134e-79bf-922a-6fa7da3f6d90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049120 |
| Status | PUBLIC |
Content hashes
| Canonical text | 36f73e9a741ae7169811decc1f7fc0db6b9d640b5b6bee1b7f0bf957827f02fa |
|---|---|
| Markdown | 30fd3522230e7a80b70eaa9bf917ca7b86f0c42502b2a89e8fbeb7f0d6e4f67c |
| Publication page | a92d19e7826bcd8a5c6d635ac6bd31a9e0a4739c3c284dcf24a0452268f62e30 |
| Manifest | 61eb9ebd168db6164dac473bce03d4c647e80433c48b8685c47087df53fd2d77 |
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 | WwekJsX28AOMwvoHHtrdnJB86ikgQ6JOdZCBr+LNGXl4y49gpFjJEJ3fT6b5cgqiaELlXHUNhMEh2bWtssbbCQ== |
| 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
| 2026-10-22T16:41:17.019283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120observed a92d19e7826bcd8a5c6d635ac6bd31a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:16.967349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/manifest.jsonobserved 61eb9ebd168db6164dac473bce03d4c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:16.886837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/publication.mdobserved 30fd3522230e7a80b70eaa9bf917ca7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:16.766885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/publication.txtobserved 36f73e9a741ae7169811decc1f7fc0db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:06.059437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120observed a92d19e7826bcd8a5c6d635ac6bd31a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:05.991351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/manifest.jsonobserved 61eb9ebd168db6164dac473bce03d4c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:05.915100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/publication.mdobserved 30fd3522230e7a80b70eaa9bf917ca7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:05.817021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049120/publication.txtobserved 36f73e9a741ae7169811decc1f7fc0db...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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