OpenTechnical

OT-2026-000003164

Publication integrity record

Tractor hydraulic grabbing tool

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-2026-000003164) never changes.

Identity and time

Publication numberOT-2026-000003164 · never reused
Internal UUID01a0a697-45b7-748d-974e-e4c47d84138f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:42:06.775549Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003164
StatusPUBLIC

Content hashes

Canonical text612e2081b0e70bbc093a876c82ffc136a23d6b7409f9050bd1ef593d9076358d
Markdown256bd2e43557cf9a24f4c16a806211a941142a04c530b934546d1796700b2cdb
PDF
Publication page54eab1e254c78be339092c590b056c88810c1be0d3f8315e0a75e8ed4dace946
Manifest6b21e7028ae8975c813792ba6343a149ba0188671b67fd1f074043e181c1f2cd

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
Signatureox06dkQcuGynU5xgZtTNGwlIOkpQhwz685MEPGUqrTGSLq+A2v+Q1Sw0aMUOay7ERmJLF3qMxDQJ/qg5Rf5EBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-16T12:41:28.138095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164
observed 54eab1e254c78be339092c590b056c88...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:27.966334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164/manifest.json
observed 6b21e7028ae8975c813792ba6343a149...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:27.778524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164/publication.md
observed 256bd2e43557cf9a24f4c16a806211a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:27.498051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164/publication.txt
observed 612e2081b0e70bbc093a876c82ffc136...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:50:07.149090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164
observed 54eab1e254c78be339092c590b056c88...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:07.121026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164/manifest.json
observed 6b21e7028ae8975c813792ba6343a149...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:07.108693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003164/publication.txt
observed 612e2081b0e70bbc093a876c82ffc136...
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