OpenTechnical

OT-2026-000003231

Publication integrity record

Device and method for weighing solid waste with an angle-correction scale

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-2026-000003231) never changes.

Identity and time

Publication numberOT-2026-000003231 · never reused
Internal UUID01a0a6a1-3518-79c0-9fb2-177efc923f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:52:57.881318Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003231
StatusPUBLIC

Content hashes

Canonical textd2b070f1dd85f381099d88a6a4e1d5e0b8eccfe0f77063eef0860664008c947c
Markdown9532fd5184a8f52c7029feb24c94db36b6ad216bbe476117fb348c036ffd4a17
PDF
Publication page2df64385842857bee8511e876b1bbd90fa3359cfa1e8d28a1416e2a84600fe82
Manifest52d961b3cb35c31159c839f8bd5c90ffe5d4b3c83480ca47872385680684d436

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
SignatureLDS2QekMZd1SYyP3dj4qhHO63QwA0RhRR/dmkQ5ZN0W1ETTa1TtaLpdMBVU6LjduckiWt3nG4kp454AluUVpBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-16T00:41:16.505057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231
observed 2df64385842857bee8511e876b1bbd90...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:16.161949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231/manifest.json
observed 52d961b3cb35c31159c839f8bd5c90ff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:15.909752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231/publication.md
observed 9532fd5184a8f52c7029feb24c94db36...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:15.343809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231/publication.txt
observed d2b070f1dd85f381099d88a6a4e1d5e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:00:08.201728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231
observed 2df64385842857bee8511e876b1bbd90...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:08.159755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231/manifest.json
observed 52d961b3cb35c31159c839f8bd5c90ff...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:08.145254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003231/publication.txt
observed d2b070f1dd85f381099d88a6a4e1d5e0...
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