OpenTechnical

OT-2026-000000412

Publication integrity record

Device for transferring liquid

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-2026-000000412) never changes.

Identity and time

Publication numberOT-2026-000000412 · never reused
Internal UUID01a0a673-546c-7556-baff-883a97e32417 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:51.245249Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000412
StatusPUBLIC

Content hashes

Canonical text46c9d7021d5578cd2de93ecdc33448f1fad2b9d0980194b120cd40df8ccad431
Markdown9443551f617d992e40cb33e204c38ee5d5bce9fea9e6a4af1f2c878d75006b47
PDF
Publication page70a32cfe38d6804cfd01f523e2c8bfa68379a7d8304c1d3fcde77f449a328849
Manifesta1d75cb9d5e0a244c9e7ece07c2bc4adcd370b2245958f276133aa08be9235cb

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
Signature1bVus5oMg3ZpsVwgymFGWEBO7GLsEFEHcF0DqffDrUv7IwEQ2NGn+pas+Vd2LkcminD9qFKYIHNPyfzXcloYDQ==
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

2026-10-28T20:41:17.392361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412
observed 70a32cfe38d6804cfd01f523e2c8bfa6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:41:17.334509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412/manifest.json
observed a1d75cb9d5e0a244c9e7ece07c2bc4ad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:41:17.270933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412/publication.md
observed 9443551f617d992e40cb33e204c38ee5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T20:41:17.040385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412/publication.txt
observed 46c9d7021d5578cd2de93ecdc33448f1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:12.810804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412
observed 70a32cfe38d6804cfd01f523e2c8bfa6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:12.782981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412/manifest.json
observed a1d75cb9d5e0a244c9e7ece07c2bc4ad...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:12.769554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000412/publication.txt
observed 46c9d7021d5578cd2de93ecdc33448f1...
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