OpenTechnical

OT-2026-000000027

Publication integrity record

Two-Stage Belt Scraper with Compliant Secondary 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-2026-000000027) never changes.

Identity and time

Publication numberOT-2026-000000027 · never reused
Internal UUID01a0a672-10e0-769c-b853-81efd96c1d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:01:28.419494Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000027
StatusPUBLIC

Content hashes

Canonical text15f060e634fd9fe6a04118f35ee80d57f636154b21cfc35aaf9e018605d4c871
Markdowndb96b1280e2341c5773eb5acbe4aecac5856c01c417e49fde819419f96f3de89
PDF
Publication pageacd1fdd8f18702cb6e212d45ed0d8b5df8af96d2f9aa577f11cbf44f73007a05
Manifestb009cd130bff988a03af4b850198b6c55349a01e78bc04bdbd9e15529f04ebe3

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
SignatureCSzC+1/rT6md9VINg+JK4I8q+YKeC5/j4f5N12AWncS9aZOxGNRPX7RG5CB9l/ZnsYhG1ph/kpfLMfQoONxLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-24T08:41:31.325375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027
observed acd1fdd8f18702cb6e212d45ed0d8b5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:31.254724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/manifest.json
observed b009cd130bff988a03af4b850198b6c5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:31.155047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/publication.md
observed db96b1280e2341c5773eb5acbe4aecac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T08:41:31.019987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/publication.txt
observed 15f060e634fd9fe6a04118f35ee80d57...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:23:21.037931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027
observed acd1fdd8f18702cb6e212d45ed0d8b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:20.997087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/manifest.json
observed b009cd130bff988a03af4b850198b6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:20.912891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/publication.md
observed db96b1280e2341c5773eb5acbe4aecac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:20.820797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000027/publication.txt
observed 15f060e634fd9fe6a04118f35ee80d57...
fetched by instance-3.rotem.ai from 34.69.0.72, 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