OT-2026-000003112
Publication integrity record
Multifunction valve assembly
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-2026-000003112) never changes.
Identity and time
| Publication number | OT-2026-000003112 · never reused |
|---|---|
| Internal UUID | 01a0a68d-b7df-7062-b506-734674509b94 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:31:40.640038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003112 |
| Status | PUBLIC |
Content hashes
| Canonical text | 974a4ccd9c4697a79932aeb8feb26a991903661920e2e243b4d7a1c7e811f4ce |
|---|---|
| Markdown | f8db7b9251ff4cdb122db96df6981212e1c1899f4382175c25d1ce349c62c0b9 |
| Publication page | 7f11a161d752bad9723a14cfb102ffe14761b59f997fdac897ce0023bc682926 |
| Manifest | 4c20f412f8549974a01b44c15cc63fa7c8341755250a38655d10550ecc157c2d |
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 | OR2NQOC3rxKCQMX35wYXoH8bhOskxonyCdMVo5m7YSV96Yr0Mi3CercIvY9maVI/OV3phsOUApU1Gpm/K/V+Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-16T20:41:20.539678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112observed 7f11a161d752bad9723a14cfb102ffe1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:41:20.387213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112/manifest.jsonobserved 4c20f412f8549974a01b44c15cc63fa7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:20.190536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112/publication.mdobserved f8db7b9251ff4cdb122db96df6981212...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:19.967192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112/publication.txtobserved 974a4ccd9c4697a79932aeb8feb26a99...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:07.034894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112observed 7f11a161d752bad9723a14cfb102ffe1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:07.004986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112/manifest.jsonobserved 4c20f412f8549974a01b44c15cc63fa7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:06.991181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003112/publication.txtobserved 974a4ccd9c4697a79932aeb8feb26a99...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|