OT-2026-000000259
Publication integrity record
Distance measurement device, distance measurement method, and machine tool
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-2026-000000259) never changes.
Identity and time
| Publication number | OT-2026-000000259 · never reused |
|---|---|
| Internal UUID | 01a0a673-29d3-7bdc-94e7-6a036eccdf5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:40.340149Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000259 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c0fcb0ab91cad98e95b984ec660700f021e4fb5851ca34b45c7e83ce3c1ad6a |
|---|---|
| Markdown | 0fa5847420437bf0af95900b17a992dbc89e49e79da22392e863faf25fa06590 |
| Publication page | ae9a3914a0b95cd34630aff4247945d272847ff9d82f9849cf10ab968e3a4a72 |
| Manifest | 27cb732ba57b3aa25cfb131d54466cb2473f18db5d062238ca53530c419ad258 |
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 | 1mZH7luLJTvtnYqpHVlWz55p642jtTfMeECcL49rj8qUaTQ9qG+kdwiYgjHcb9NLQTebPgJhP3Ott2BiFE21DA== |
| 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
| 2026-10-24T00:42:05.612505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259observed ae9a3914a0b95cd34630aff4247945d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:42:05.548073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259/manifest.jsonobserved 27cb732ba57b3aa25cfb131d54466cb2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:42:05.485592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259/publication.mdobserved 0fa5847420437bf0af95900b17a992db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:42:05.373143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259/publication.txtobserved 0c0fcb0ab91cad98e95b984ec660700f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:30.820591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259observed ae9a3914a0b95cd34630aff4247945d2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:30.789838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259/manifest.jsonobserved 27cb732ba57b3aa25cfb131d54466cb2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:30.776304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000259/publication.txtobserved 0c0fcb0ab91cad98e95b984ec660700f...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 |
|---|