OpenTechnical

OT-2026-000001409

Publication integrity record

Lift device and corresponding scissor linkage

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-2026-000001409) never changes.

Identity and time

Publication numberOT-2026-000001409 · never reused
Internal UUID01a0a675-e6f6-7bdb-869c-287a13db6330 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:39.830607Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001409
StatusPUBLIC

Content hashes

Canonical textdfa45d80c0c3ed84d32f222297a28b3d110f0ba1ac5cde9d156eeaa90a63cd01
Markdown3ac35249eada41e2c25fedbf71454e0b94176a2192b0532d1b13b78216aaa2b5
PDF
Publication page570a06f88825bacfd5f1781fb157aa5a39754efe6508ae0b9e29bf2abe80e7a9
Manifest0f33508b2d6c9013db9b894a288dcc6d53b377a5bd32163520c82d892ebc19a1

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
Signature1XHN2ut/uS3BMOwHHRLe6y/+Bbi+O3qwJmGOKdHfjd3oTBbOp9aPCutUcrBj/le5MPz6/mLKxUNPAJcNw7oADA==
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

2026-09-15T20:10:19.510500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001409
observed 570a06f88825bacfd5f1781fb157aa5a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:19.479357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001409/manifest.json
observed 0f33508b2d6c9013db9b894a288dcc6d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:19.466619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001409/publication.txt
observed dfa45d80c0c3ed84d32f222297a28b3d...
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