OT-2026-000000658
Publication integrity record
Control valves with adjustable valve packing
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-2026-000000658) never changes.
Identity and time
| Publication number | OT-2026-000000658 · never reused |
|---|---|
| Internal UUID | 01a0a673-a9ab-778e-b564-2ae9981f93dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:13.067689Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000658 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6b3513a34a2639ba056730899dfa8845d03d6208a27ec9cd6853eef6decccc3 |
|---|---|
| Markdown | 0a1fbd6c68f70d8c3ee58dac21f8d1f778b6d131cb3fc8482129c5e763096bef |
| Publication page | abb95d970e3eb90732b68b5d155bab20d690b9eabe318fabacfb57ca100b68f1 |
| Manifest | 38543c389776f11f3f230a6fe4b74795c0ded8bcc48ed9ea9ced28e9707c498e |
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 | yWDJkLJw5tNy+gLZK+/VKoQ84uakk5vd4VYF+VNBErE6X9o4xMR1W37r5Xob8oI44QIq9JvEP6rGnL3KfaiRDw== |
| 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
| 2026-09-22T00:42:00.004532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658observed abb95d970e3eb90732b68b5d155bab20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T00:41:59.922271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/manifest.jsonobserved 38543c389776f11f3f230a6fe4b74795...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:59.863500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/publication.mdobserved 0a1fbd6c68f70d8c3ee58dac21f8d1f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:59.638514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/publication.txtobserved c6b3513a34a2639ba056730899dfa884...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:15.281181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658observed abb95d970e3eb90732b68b5d155bab20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:14.905554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/manifest.jsonobserved 38543c389776f11f3f230a6fe4b74795...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:14.724910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/publication.mdobserved 0a1fbd6c68f70d8c3ee58dac21f8d1f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:14.582214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000658/publication.txtobserved c6b3513a34a2639ba056730899dfa884...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 |
|---|