OpenTechnical

OT-2026-000002895

Publication integrity record

Device and method for detecting wear in conveyor belt

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-2026-000002895) never changes.

Identity and time

Publication numberOT-2026-000002895 · never reused
Internal UUID01a0a67f-64e4-729d-9fd4-41124adc0879 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:01.893044Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002895
StatusPUBLIC

Content hashes

Canonical text16f65f6f41f5a71b4117549c43098117f15d4f0a436aa03761b88a1291f12b19
Markdownff4b103727a6cce5381d36b4a4ef3b9f370966ed92910a8efad3595f15821070
PDF
Publication paged7e6076aaa8d085a5c8ec9e6786ef28e049e7835a380c4b4837716fac3ca23b7
Manifest680b1b04c8c0bed6fde7fed8ec310405c11a330d2bde6ff949ad9629d7a0cd11

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMoHgqplzwJewJ5W8wWMDRGPMBkUgnCTBHtc1372Ee/fGleBYWMV9s61gWQRhFrrS8pqsf9IG0Q80EGX3xLw3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-21T04:43:55.191971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895
observed d7e6076aaa8d085a5c8ec9e6786ef28e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:54.906097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895/manifest.json
observed 680b1b04c8c0bed6fde7fed8ec310405...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:54.483827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895/publication.md
observed ff4b103727a6cce5381d36b4a4ef3b9f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:54.198335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895/publication.txt
observed 16f65f6f41f5a71b4117549c43098117...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.932318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895
observed d7e6076aaa8d085a5c8ec9e6786ef28e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.904131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895/manifest.json
observed 680b1b04c8c0bed6fde7fed8ec310405...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.891551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002895/publication.txt
observed 16f65f6f41f5a71b4117549c43098117...
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 archivePending 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-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent