OpenTechnical

OT-2026-000003192

Publication integrity record

Workpiece attracting device

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-2026-000003192) never changes.

Identity and time

Publication numberOT-2026-000003192 · never reused
Internal UUID01a0a69b-7ddb-782e-b4b4-5cef07101573 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:46:43.291562Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003192
StatusPUBLIC

Content hashes

Canonical textcd9f02052c61a26572f97331d5989a1818673b97ffe95f1a4324e5fa44311d83
Markdownc93d8b7b977e2b8c97ad71c24c5d2e968d929a58aafc3ad6d56af32111bfbb5f
PDF
Publication page282742d02b3bd793ec4fd14b7a1574268d6d94900cc26b2610628d7cea7c34ad
Manifest77ae1fd6849c57336f3fc9627f75d32d6c01b631e3a3c80287193b9aba14a429

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
SignatureGwRasnXM3ZsM5j4eEicynyIiY3P+4CG3CAlCiSFSq0lpsOBtL+VFJjGQawwMyK6iLNy9jH2xhhebVu9fwA3wDg==
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

2026-09-16T08:45:17.878123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192
observed 282742d02b3bd793ec4fd14b7a157426...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:17.485253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192/manifest.json
observed 77ae1fd6849c57336f3fc9627f75d32d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:17.129950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192/publication.md
observed c93d8b7b977e2b8c97ad71c24c5d2e96...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:45:16.630787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192/publication.txt
observed cd9f02052c61a26572f97331d5989a18...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:50:04.093125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192
observed 282742d02b3bd793ec4fd14b7a157426...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:04.064888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192/manifest.json
observed 77ae1fd6849c57336f3fc9627f75d32d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:03.926785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003192/publication.txt
observed cd9f02052c61a26572f97331d5989a18...
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