OpenTechnical

OT-2026-000000077

Publication integrity record

Parallel link mechanism, robot mechanism, and braking method

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-2026-000000077) never changes.

Identity and time

Publication numberOT-2026-000000077 · never reused
Internal UUID01a0a672-f8f3-77cd-8d55-c77104d69504 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:27.828492Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000077
StatusPUBLIC

Content hashes

Canonical text4144bf0a5b7a02ec42841ac6d145f65bd1d95fe5f6812963768112aca5e44d63
Markdown1489654382f232c88c19c342ab2868b22e16c83df651dd5844cba4ba543303ba
PDF
Publication pageb16206c3c38bb0a04bd09bac93b6c82576c7bf73bd5731793630b984e163347e
Manifest975793b22140e4caa1fb05f8678be38541d50b2339bdd439bc1cc30a27eda8e0

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
Signaturel16BG0FWmSXvzjAauY/6Ze3ePX/kt3IvZFy9I/Wyxu74NmiYcIIFAW3x456vBFHhMk/ChmSNAd+P949dgXaTAw==
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

2026-09-30T00:41:13.242957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077
observed b16206c3c38bb0a04bd09bac93b6c825...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:13.170661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/manifest.json
observed 975793b22140e4caa1fb05f8678be385...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:13.098004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/publication.md
observed 1489654382f232c88c19c342ab2868b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:12.957195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/publication.txt
observed 4144bf0a5b7a02ec42841ac6d145f65b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:42.048798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077
observed b16206c3c38bb0a04bd09bac93b6c825...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:41.874228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/manifest.json
observed 975793b22140e4caa1fb05f8678be385...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:41.745933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/publication.md
observed 1489654382f232c88c19c342ab2868b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:41.616735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000077/publication.txt
observed 4144bf0a5b7a02ec42841ac6d145f65b...
fetched by grabo-systems from 34.44.131.203, 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