OT-2026-000000631
Publication integrity record
Adjustable bi-directional throttling choke valve
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-2026-000000631) never changes.
Identity and time
| Publication number | OT-2026-000000631 · never reused |
|---|---|
| Internal UUID | 01a0a673-a1c9-7324-860e-c911b3b4c71b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:11.049931Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000631 |
| Status | PUBLIC |
Content hashes
| Canonical text | bdac119277c20e268ab65adc903b207fd2785d4c91285cf4e7cfbb662494a2e8 |
|---|---|
| Markdown | 8dd869a1b13f13b316bcc16058a9a69a32d64dc01c1a9453ec119aeffcb5deea |
| Publication page | 8ca569b11a42b1725490f6ddcf1a5120db1c2f25af8e41c25a0c17ec994ccee2 |
| Manifest | 90b95100df30506f79175e32de68eb4f8b7f464a699dd1118ab49e4419ae2b21 |
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 | tFzyNLCBr4FlYJivzKSL62drqnNlS/UzmSue93frSj3E4ZB/iJ+7HZuJuy8bjpjPsPrsfMm+kP5e+rA3UQ6ICg== |
| 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
| 2026-10-17T00:41:48.907114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631observed 8ca569b11a42b1725490f6ddcf1a5120...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T00:41:48.858519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/manifest.jsonobserved 90b95100df30506f79175e32de68eb4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:48.754807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/publication.mdobserved 8dd869a1b13f13b316bcc16058a9a69a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:48.672070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/publication.txtobserved bdac119277c20e268ab65adc903b207f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.026215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631observed 8ca569b11a42b1725490f6ddcf1a5120...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:31.976049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/manifest.jsonobserved 90b95100df30506f79175e32de68eb4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:31.922595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/publication.mdobserved 8dd869a1b13f13b316bcc16058a9a69a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:31.827668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000631/publication.txtobserved bdac119277c20e268ab65adc903b207f...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 |
|---|