OpenTechnical

OT-2026-000002027

Publication integrity record

Oil circuit system, lifting device, electric jack, press, crane, and tire mounting/dismounting and transport apparatus

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-2026-000002027) never changes.

Identity and time

Publication numberOT-2026-000002027 · never reused
Internal UUID01a0a67a-2428-7a23-974b-f69af9b945ee · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:17.640806Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002027
StatusPUBLIC

Content hashes

Canonical text63bf63a0929fe44efdbd221a5ca256e1a0be52a731b57eb391be15730bae2b93
Markdown0df1c347730b6946370a85c3e1f58ee5bdea42176f9c7e3634507fe1c395baf1
PDF
Publication page8087bf63a4af5321f049b47ab5c55c65b0da3706613b0a311d1975c4c96e0ed9
Manifest5e7f965513f1ec1d195c199598473bc7f492a19e6b11dd738618825973f7db4e

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
SignatureimqUPRvMd6e4weQqqYVUrKu/X/Y0krX5Xa15zov78SYiy8K4ZuUABMRmeVYKLS2nS3zBClWOOJIwG4niKclUAg==
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

2026-10-07T00:41:05.110207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027
observed 8087bf63a4af5321f049b47ab5c55c65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T00:41:04.852966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/manifest.json
observed 5e7f965513f1ec1d195c199598473bc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T00:41:04.678204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/publication.md
observed 0df1c347730b6946370a85c3e1f58ee5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T00:41:04.527225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/publication.txt
observed 63bf63a0929fe44efdbd221a5ca256e1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:16.769955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027
observed 8087bf63a4af5321f049b47ab5c55c65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:16.722983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/manifest.json
observed 5e7f965513f1ec1d195c199598473bc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:16.675075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/publication.md
observed 0df1c347730b6946370a85c3e1f58ee5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:16.564131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002027/publication.txt
observed 63bf63a0929fe44efdbd221a5ca256e1...
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