OT-2026-000003142
Publication integrity record
Arrangement for optic measuring of both width and thickness of an object moving along a straight path
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-2026-000003142) never changes.
Identity and time
| Publication number | OT-2026-000003142 · never reused |
|---|---|
| Internal UUID | 01a0a693-423c-7cc2-8d19-391106ed949e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:37:43.740763Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003142 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2d4fc9c2bd7adf2a01abb03f7803a90a774354fe2d9e04faa17bc0a47d6c5ba |
|---|---|
| Markdown | dc8f71b1147182b011075b7b1f4677fa938ad62c3bd41b1534b0d3aa19d59931 |
| Publication page | cc6619bd9d898fbba626e09d5c96de022fbb2bffc10263e8adce9262e76c7536 |
| Manifest | 40d90077647c9e0a9d789e652149ad5e17b5a7ddbb6ec6134cb89c5ccc19d5ab |
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 | y39DG30NWfbkbcpgQD7vKLhYp1cM2GOlhF7MWFSr5PqsBpHt1CMSjE1iGLotl2DsBSe/3Tu4962OxKTBD82EAQ== |
| 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... |
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Independent retrieval
| 2026-09-16T20:41:41.477292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142observed cc6619bd9d898fbba626e09d5c96de02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:41:41.367197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142/manifest.jsonobserved 40d90077647c9e0a9d789e652149ad5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:41.243434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142/publication.mdobserved dc8f71b1147182b011075b7b1f4677fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:41.049848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142/publication.txtobserved f2d4fc9c2bd7adf2a01abb03f7803a90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.929041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142observed cc6619bd9d898fbba626e09d5c96de02...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.773040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142/manifest.jsonobserved 40d90077647c9e0a9d789e652149ad5e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.759813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003142/publication.txtobserved f2d4fc9c2bd7adf2a01abb03f7803a90...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 |
|---|