OpenTechnical

OT-2026-000002577

Publication integrity record

Conveyor belt cleaner scraper blade mount

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-2026-000002577) never changes.

Identity and time

Publication numberOT-2026-000002577 · never reused
Internal UUID01a0a67d-7fbc-7028-885e-b2b75ef128dc · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:57.692844Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002577
StatusPUBLIC

Content hashes

Canonical text2147d5179dc9ac05ed59c94d7738c479e4b7c155a9755a15f0fa69dad83da461
Markdown14624246fc74532d4d90bc12498f69ec059c3cac539d2b322b3b449461e4612a
PDF
Publication page53b6c5d55699687a9c142077610a945e4aebd72d05ce5a963a38155e13097f68
Manifestbe08f66d0d216a0cccb29cc5ea03d4401592749edce1b0988b80469c2f2cfd55

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
SignatureoQ7vJEhOTMEHhBd2PIadn3lmvRULeRhBD5sFE0LUvK+9cGFeyG3hyj2/NigwV+JfqwH2e4gqgszoW19cswqWCA==
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

2026-10-25T00:41:49.393989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577
observed 53b6c5d55699687a9c142077610a945e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:49.349414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/manifest.json
observed be08f66d0d216a0cccb29cc5ea03d440...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:49.301395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/publication.md
observed 14624246fc74532d4d90bc12498f69ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:49.213173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/publication.txt
observed 2147d5179dc9ac05ed59c94d7738c479...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:42:23.100658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577
observed 53b6c5d55699687a9c142077610a945e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:42:23.008095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/manifest.json
observed be08f66d0d216a0cccb29cc5ea03d440...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:42:22.905095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/publication.md
observed 14624246fc74532d4d90bc12498f69ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T20:42:22.769867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002577/publication.txt
observed 2147d5179dc9ac05ed59c94d7738c479...
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 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