OT-2026-000003268
Publication integrity record
Laser-based dimensioning system
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-2026-000003268) never changes.
Identity and time
| Publication number | OT-2026-000003268 · never reused |
|---|---|
| Internal UUID | 01a0a6a6-e048-7740-9413-c254a1e839fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:59:09.384647Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003268 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1251f962744a7372e69800b96688f2bb236a5d6223f52bcf078474996c56dc00 |
|---|---|
| Markdown | 9f4be4a0af411414f05020ff95462fec167ec9231f8ff67c91818dadf14e4a10 |
| Publication page | 9126045920567547d2aeb866e3ea9782cfc4ca0ffa31024729be1a6e03dc1fb3 |
| Manifest | 76fa154b83a9f5add2978ffa4688f9c666fd8dd8e07eaa1f6048645a13c158d6 |
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 | AMXag2HjS5n8MwQ+15mTdm/xG9fXpOx93YLbxQHteQAS/Mp/ZP3Q5rlpaDFwCPyKH34BpkZSmpCe6bVvEfcFDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-10-05T20:41:12.429058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268observed 9126045920567547d2aeb866e3ea9782...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T20:41:12.363993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/manifest.jsonobserved 76fa154b83a9f5add2978ffa4688f9c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:12.283276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/publication.mdobserved 9f4be4a0af411414f05020ff95462fec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:12.047169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/publication.txtobserved 1251f962744a7372e69800b96688f2bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:39.873628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268observed 9126045920567547d2aeb866e3ea9782...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:39.799894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/manifest.jsonobserved 76fa154b83a9f5add2978ffa4688f9c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:39.729559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/publication.mdobserved 9f4be4a0af411414f05020ff95462fec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:39.555668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003268/publication.txtobserved 1251f962744a7372e69800b96688f2bb...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 |
|---|