OT-2026-000000868
Publication integrity record
Pressure balanced poppett with check
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-2026-000000868) never changes.
Identity and time
| Publication number | OT-2026-000000868 · never reused |
|---|---|
| Internal UUID | 01a0a673-f015-717e-aa01-a9e27ee01abb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:31.093563Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000868 |
| Status | PUBLIC |
Content hashes
| Canonical text | f647223f24488796ad8e0b9628a87c83656762c5db489f299edac535c7a29a2d |
|---|---|
| Markdown | 439cae080b26b08c7262f6628eed8ac69c056951f398b677bb3bd5a1a4f0d2ca |
| Publication page | c01c27c26f9fc12b8e8798bab31a1f3c9a1eeb0e45ffa0e493a1ba47e9abc3fa |
| Manifest | 6cc933d7a7539ac48d662580966a9dbc1017219dbfaa64feda1746666b1e963e |
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 | 2WxPLJN77nyOwVhXAJ6qupp+NbsaFtxVbVGfbaw7+qT/JmDevj1VBtm8f4DwZKI4iRo0C7OsLm97bEW8wLk3AA== |
| 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
| 2026-09-15T20:30:25.708637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000868observed c01c27c26f9fc12b8e8798bab31a1f3c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:25.677166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000868/manifest.jsonobserved 6cc933d7a7539ac48d662580966a9dbc...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:25.663775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000868/publication.txtobserved f647223f24488796ad8e0b9628a87c83...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 |
|---|