OpenTechnical

OT-2026-000003307

Publication integrity record

Frame member for supporting a workpiece in a machine 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-2026-000003307) never changes.

Identity and time

Publication numberOT-2026-000003307 · never reused
Internal UUID01a0a6ad-b29d-77da-9353-ebb1b0e2b455 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:06:36.445782Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003307
StatusPUBLIC

Content hashes

Canonical text3be28c83b34ec35e28734676ff1409abf1c8b9f61e1a569e5539a792d1edc1f1
Markdown9f5e319728764baab208c0bd3bf3f0a5727723f638d205caa24bf605c4f88c35
PDF
Publication page5d164ee9bd4a75bf88c352de5d33fce8f4aad245fbea431bf12e31b418c1129e
Manifest43a864da50a8ddf6661f3108febdb4e65f963a5d2ab2c14289adaabcb15b52fd

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
SignatureMnmss2+61PaCGK6g6gptN740b4ar+hQnXSWDFcMn9Su/S2fFYxgN2RWOwmw5vMaOU1EKfeYt8zC6HCAPZwLpAQ==
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

2026-09-15T20:10:05.233327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003307
observed 5d164ee9bd4a75bf88c352de5d33fce8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:05.077447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003307/manifest.json
observed 43a864da50a8ddf6661f3108febdb4e6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:05.066347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003307/publication.txt
observed 3be28c83b34ec35e28734676ff1409ab...
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