OpenTechnical

OT-2026-000003356

Publication integrity record

Electric toothbrush with demountable brush section

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-2026-000003356) never changes.

Identity and time

Publication numberOT-2026-000003356 · never reused
Internal UUID01a0a6b5-c598-757c-b458-c63cf4e5d30e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:15:25.592681Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003356
StatusPUBLIC

Content hashes

Canonical textfd0a0222ef2f8f6bcbf5260f7388f57f7edb87cd47abf1ff57fbda1adeeb2de3
Markdownfa356ab39314e3de9afe7e0a09b32e8b944f2136dff6d2277f36ade4523f5003
PDF
Publication pagedd42e7d06adab08c1c88fc47f9f1e157fc6c06efba07b66cd654bae67d7e8153
Manifestbf3dc1390c1717a8f6ff063f3853c696133f65b231b2976e78fb018bfec54889

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
SignaturexzAvK5PAo6PeSNkn32TrynoEZZ5w65UumHhjwM/NfdY/YN5Eoe3GwmS9gCCswr/LiAst2efp6bbH/3Kg9DdlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-15T20:20:05.899443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003356
observed dd42e7d06adab08c1c88fc47f9f1e157...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:05.869049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003356/manifest.json
observed bf3dc1390c1717a8f6ff063f3853c696...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:05.855423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003356/publication.txt
observed fd0a0222ef2f8f6bcbf5260f7388f57f...
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