OT-2026-000000849
Publication integrity record
Three-dimensional measurement device
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-2026-000000849) never changes.
Identity and time
| Publication number | OT-2026-000000849 · never reused |
|---|---|
| Internal UUID | 01a0a673-e937-7f34-8f8c-3746e2890958 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:29.335930Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000849 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4534ae6fdb7ee81481e890ddfdd4a0b57b6df1e15663cf88bd4e24ebbb786e06 |
|---|---|
| Markdown | dcc04d00f6d406647a354594ece68c46b23848e7dc79ba946e813e5fbfcf3d81 |
| Publication page | ecc7e65c0e0ad1c19bce36006310e14adb16c179fa8c7cfa318dd56e26608451 |
| Manifest | 6d279ee612ef7abf0915950355c40b0269c31bbc6307c2c023d4e2e1f778ea67 |
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 | W4FBxmNwsjtfiH6fH67LW5O+BRtgla18MCCGeDgg2rbsJDnr8xrPycc4K38IPgw9Sw4ERUH0H9neM8Ruhb2QBw== |
| 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
| 2026-10-10T04:23:03.269649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849observed ecc7e65c0e0ad1c19bce36006310e14a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T04:23:03.255757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/manifest.jsonobserved 6d279ee612ef7abf0915950355c40b02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:03.240973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/publication.mdobserved dcc04d00f6d406647a354594ece68c46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:03.009916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/publication.txtobserved 4534ae6fdb7ee81481e890ddfdd4a0b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:41:29.070455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849observed ecc7e65c0e0ad1c19bce36006310e14a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:41:28.703624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/manifest.jsonobserved 6d279ee612ef7abf0915950355c40b02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:41:28.406220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/publication.mdobserved dcc04d00f6d406647a354594ece68c46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:41:28.155548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000849/publication.txtobserved 4534ae6fdb7ee81481e890ddfdd4a0b5...fetched by grabo-systems from 34.44.131.203, 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 |
|---|