OT-2026-000000717
Publication integrity record
Valve and pressurized fluid apparatus
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-2026-000000717) never changes.
Identity and time
| Publication number | OT-2026-000000717 · never reused |
|---|---|
| Internal UUID | 01a0a673-bbea-7193-9c39-7bed3770d149 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:17.739148Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 668e664154a9e6d89b4e24176a33acf5b0128aaffb8c136e7dfc61f457d1ed38 |
|---|---|
| Markdown | 5e9cf5ea8cb5c810a4fd92217387462598e0226bcf13e4dd343d7bfb17be23c6 |
| Publication page | 0c64c613a1f062da43c75ec743aa62d1549777f3b767675e3f7f691132c17ce3 |
| Manifest | 2e785e091d631edfe107acfcc67c98f3694075101d896097eea3f76ebcd71c75 |
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 | hIpX84jVVgQNDb/IQt/skXDxewRwYqlqbPPFT9MxcJyW3NwEVjkDc+vPtsNn/5lv7L8jTWVi5FEi8saa8HFsBg== |
| 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... |
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Independent retrieval
| 2026-10-29T16:41:22.588369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717observed 0c64c613a1f062da43c75ec743aa62d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:22.519727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717/manifest.jsonobserved 2e785e091d631edfe107acfcc67c98f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:22.451312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717/publication.mdobserved 5e9cf5ea8cb5c810a4fd922173874625...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:22.241270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717/publication.txtobserved 668e664154a9e6d89b4e24176a33acf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:12.315079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717observed 0c64c613a1f062da43c75ec743aa62d1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:12.285201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717/manifest.jsonobserved 2e785e091d631edfe107acfcc67c98f3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:12.271598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000717/publication.txtobserved 668e664154a9e6d89b4e24176a33acf5...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 |
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