OT-2026-000000758
Publication integrity record
Modular valve assemblies with optional swing out
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-2026-000000758) never changes.
Identity and time
| Publication number | OT-2026-000000758 · never reused |
|---|---|
| Internal UUID | 01a0a673-ca26-7c8c-b421-6827482756d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:21.382461Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000758 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bd0e8eb83e217f270f6f0a98e031874012b822f73c2940e9d5b43e49d6f0e8f |
|---|---|
| Markdown | 6d19f3786cd1a45d35b93d2c933ee8dfac39801c37ea7f3266513ae1f320a14c |
| Publication page | 0143f52d1a45067f78638d25dfa143fbf9dab5e544c25d70de2fee14de3069b9 |
| Manifest | 5a0c15040ec7dad98fa970a248158058f17d26bfca1cf076c4e1e4499fa931f9 |
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 | ad6U3CvSdrwn9FYqBQz8Yr2u2rZQyfy1RTqcKikHmto8RyK+1pWhdA0Nb+ICNwobYdpeMVgSd4+ENG6TcGrxDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-11T08:41:37.579402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758observed 0143f52d1a45067f78638d25dfa143fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T08:41:37.499136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/manifest.jsonobserved 5a0c15040ec7dad98fa970a248158058...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:37.408244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/publication.mdobserved 6d19f3786cd1a45d35b93d2c933ee8df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:37.181017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/publication.txtobserved 2bd0e8eb83e217f270f6f0a98e031874...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:23.098236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758observed 0143f52d1a45067f78638d25dfa143fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:23.083693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/manifest.jsonobserved 5a0c15040ec7dad98fa970a248158058...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:23.066579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/publication.mdobserved 6d19f3786cd1a45d35b93d2c933ee8df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:23.023249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000758/publication.txtobserved 2bd0e8eb83e217f270f6f0a98e031874...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|