OpenTechnical

OT-2026-000003047

Publication integrity record

Hydraulic system and hydraulic control method based on multi-execution-state data collection

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-2026-000003047) never changes.

Identity and time

Publication numberOT-2026-000003047 · never reused
Internal UUID01a0a680-40af-7558-8aee-191f387cb91e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:58.160059Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003047
StatusPUBLIC

Content hashes

Canonical textd374f6744cc03ffc9506bf4cd78299ccc83412d71ac7e20be161c48c35c11d22
Markdown2357351b4034082bfab718116c106f6502f1e5e4ef2ad3d50206524d558b506a
PDF
Publication page8c269de9ebf7c7849854ccf7883be99742fa8aeddccf5081bd1dfb0b2979a7f2
Manifestf0f78f427832d5843dcd62a07579ce71e74f4b856b6efd592e3ce2b522dc99c4

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
SignaturexfOBDATmooW5Ii7vgN6xJ0GuD9avzY3fpkMibRLGoNBn/px4+AoTNxSq9aUTsn+bzFNNaBKZqH7pEbQ5wzogAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-03T16:41:39.417687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047
observed 8c269de9ebf7c7849854ccf7883be997...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T16:41:39.335141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/manifest.json
observed f0f78f427832d5843dcd62a07579ce71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T16:41:39.083976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/publication.md
observed 2357351b4034082bfab718116c106f65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T16:41:38.924244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/publication.txt
observed d374f6744cc03ffc9506bf4cd78299cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:07.961641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047
observed 8c269de9ebf7c7849854ccf7883be997...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:07.626036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/manifest.json
observed f0f78f427832d5843dcd62a07579ce71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:07.479022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/publication.md
observed 2357351b4034082bfab718116c106f65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:43:07.245257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003047/publication.txt
observed d374f6744cc03ffc9506bf4cd78299cc...
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