OT-2026-000003456
Publication integrity record
Device for determining the inclination of a plane with respect to theoretical horizontal plane
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-2026-000003456) never changes.
Identity and time
| Publication number | OT-2026-000003456 · never reused |
|---|---|
| Internal UUID | 01a0a6c2-d59b-7f17-add7-f834648447b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:29:41.660007Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003456 |
| Status | PUBLIC |
Content hashes
| Canonical text | 102a4d7ab77a6d31759155bca6b064984db5f987967ca9e9598ff4a8b7867d19 |
|---|---|
| Markdown | fdc1426b7f724ee8288d1ea92802501c1621448c4239035cebc0aca9c57ed0d0 |
| Publication page | a2606762bf90e0682e2b7bbee5e86a654da25e7f14dbef7cb45799f920c16195 |
| Manifest | c61077b1adac4681a9beec82e09ad02a8c2b51a9426a0ca5cf780f1b94c7d1d6 |
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 | tfMCUYZqwlsAJq13wewklz128kRr4JD0yOzMXYZXg7yPBtUoOb5Kix2ORwvYWtNlNkQrqSxk1ovf9FfD4A+qCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
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Independent retrieval
| 2026-09-15T20:43:21.088139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456observed a2606762bf90e0682e2b7bbee5e86a65...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:43:20.737072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456/manifest.jsonobserved c61077b1adac4681a9beec82e09ad02a...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:20.504306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456/publication.txtobserved 102a4d7ab77a6d31759155bca6b06498...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:03.357799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456observed a2606762bf90e0682e2b7bbee5e86a65...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:02.950308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456/manifest.jsonobserved c61077b1adac4681a9beec82e09ad02a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:02.937198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003456/publication.txtobserved 102a4d7ab77a6d31759155bca6b06498...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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