OpenTechnical

OT-2026-000000689

Publication integrity record

Connecting rod drive mechanism for water discharge valve and water discharge valve having said 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-2026-000000689) never changes.

Identity and time

Publication numberOT-2026-000000689 · never reused
Internal UUID01a0a673-b393-7269-992d-94211dea2524 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:15.603841Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000689
StatusPUBLIC

Content hashes

Canonical text040280f68ee95d720ee911103d65d3b7e74431f081bb924011a39ec921b32717
Markdown6fa5a84a168f8b5dc5971bd56ed7218ba00036ba723d34d1687c41b131816c61
PDF
Publication pageef53f95d25ae0b4a2397a043046350b9fd05c649a455800d3205f8765d784bfb
Manifest4f059183827238d2f1302dc0f8cbd6150487f0615de8a9a3f72d44288f030216

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
SignaturewrM+ARrEvuXr5g9POupzOHnebu/UJg8b6/pBPa51oivxNVVlZcDxk4ERjHBOAbQpdzO1Ve0ukt2Q+TBxxAbIAQ==
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

2026-10-24T16:41:26.463747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689
observed ef53f95d25ae0b4a2397a043046350b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:26.415725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689/manifest.json
observed 4f059183827238d2f1302dc0f8cbd615...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:26.368937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689/publication.md
observed 6fa5a84a168f8b5dc5971bd56ed7218b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:26.302626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689/publication.txt
observed 040280f68ee95d720ee911103d65d3b7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:15.715355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689
observed ef53f95d25ae0b4a2397a043046350b9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:15.557974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689/manifest.json
observed 4f059183827238d2f1302dc0f8cbd615...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:15.546246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000689/publication.txt
observed 040280f68ee95d720ee911103d65d3b7...
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