OpenTechnical

OT-2026-000002726

Publication integrity record

Flux core welding gun wrench

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-2026-000002726) never changes.

Identity and time

Publication numberOT-2026-000002726 · never reused
Internal UUID01a0a67e-660d-7e77-bf76-c0ddf5c06350 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:56.654258Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002726
StatusPUBLIC

Content hashes

Canonical text9e0b87273af26b650cfb4d3465128395d63112c9f61fb245a4befc5259e4396a
Markdowncab15b1451faaa37c2123e4d6a9a62536658e43ae58093739b82134e9549b31f
PDF
Publication page38a97cd84f20e2dd1ead033a0a87f4902658908a3f197f1898a6c7ac35b74ac3
Manifestfbf3774cdc8867b61ceafbc020523e061d48c9c106f91a9bcd149b540136fa66

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
Signature4b9s/SYSbk9vkVz6/Nyofaq2P1gBU8FPkUvgbjhRy2X5DtGj9yws3yF9Xl1ixTAea+2D+z6BzDRA2k32eWxQAQ==
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

2026-09-15T21:12:46.714979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726
observed 38a97cd84f20e2dd1ead033a0a87f490...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:46.573761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726/manifest.json
observed fbf3774cdc8867b61ceafbc020523e06...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:46.449670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726/publication.md
observed cab15b1451faaa37c2123e4d6a9a6253...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:46.325357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726/publication.txt
observed 9e0b87273af26b650cfb4d3465128395...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:30:11.837132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726
observed 38a97cd84f20e2dd1ead033a0a87f490...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:11.684875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726/manifest.json
observed fbf3774cdc8867b61ceafbc020523e06...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:11.671701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002726/publication.txt
observed 9e0b87273af26b650cfb4d3465128395...
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