OpenTechnical

OT-2026-000001627

Publication integrity record

Gear reduction unit with anti-backlash mechanism

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-2026-000001627) never changes.

Identity and time

Publication numberOT-2026-000001627 · never reused
Internal UUID01a0a677-3df6-72fb-9fc9-51f5e99d1838 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:07.638532Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001627
StatusPUBLIC

Content hashes

Canonical text47bb9d67fb361c5dfd25d1f8a370cc023f464db3c1cf4f0c6555df351b03455a
Markdownd0e667479c373d2d43ce28d1126c80e0b838731d7c54d4c2933778f86923820e
PDF
Publication page741c8451ed879aa9793479534d848cdb3f3c3772cc6956651d4f01715d386726
Manifest002a7ed6e626769d85d1e9ff8e74bb801047023ce1e406988d10ab0bcfde5ac2

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
SignaturetOyM92OuVayEx1/eCj6bgMhkjQqdYHX2qBj0jEm4LiRetNBOhoquYJixDVlXXPoM1OCxA1CtkpBplVw2F+/WAQ==
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

2026-09-15T20:00:21.681552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001627
observed 741c8451ed879aa9793479534d848cdb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:21.650659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001627/manifest.json
observed 002a7ed6e626769d85d1e9ff8e74bb80...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:21.636647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001627/publication.txt
observed 47bb9d67fb361c5dfd25d1f8a370cc02...
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