OpenTechnical

OT-2026-000003218

Publication integrity record

Clamping device for securing a first component, such as a tool, to a second component

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-2026-000003218) never changes.

Identity and time

Publication numberOT-2026-000003218 · never reused
Internal UUID01a0a69f-c4f2-744c-b23b-a3f70bd06b76 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:51:23.634941Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003218
StatusPUBLIC

Content hashes

Canonical text7b5526654572461832d7b4a276bf65ee0e76144fa9eb81ac3734c68e5d49cbd7
Markdown0e42f33ba1935beb649322ad9d43ef79d2f6b7eaf287ac03c3c7cc73c657992c
PDF
Publication pagea7b08c5b7153b4ab39fdaf0ac1eaa83a6b60877a73c87d7183f6b7d7d87a69dd
Manifest6630ccf4b1432a087ea1446dbebd13788d2745bb0496051b22bfbbc3766b9ef9

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
Signature9M+qtZVkSWwNAf0AEzdEbCKHj21j2nZouGuRyjQ6c8scD3RdZHRBfbU4toDKUg6SWCKFUYH4JE/pp2bJyJSNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T20:00:09.729040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003218
observed a7b08c5b7153b4ab39fdaf0ac1eaa83a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:09.698598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003218/manifest.json
observed 6630ccf4b1432a087ea1446dbebd1378...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:09.683077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003218/publication.txt
observed 7b5526654572461832d7b4a276bf65ee...
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