OpenTechnical

OT-2026-000002541

Publication integrity record

A fastener setting 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-2026-000002541) never changes.

Identity and time

Publication numberOT-2026-000002541 · never reused
Internal UUID01a0a67d-4acc-70eb-82cc-9597293d2c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:44.140644Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002541
StatusPUBLIC

Content hashes

Canonical text3c6bc55129e94e927c9bc93094f344c369747e1aa28f9fc0191dd75bb7048d73
Markdown2e2dff723489b131de23d5a7f5ec5d89ef9ecccfe688bdc14d047e81b7b4e72d
PDF
Publication page0b9c0ba95fa5422f6c7fb9bc768cbc08d506f82066dbe68b0fe5c0a53de43460
Manifesta8a49a104b2d20e6c91346157825c1c1df633a19df75884374642ba72ab83eaf

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
SignatureYUrU0DapYS+Fh6CCUFl9IaXhpHCbj+J2T8+e4AClDPmGchJY/J7MWsenqyrT4j4S8UyqNPSUCtTFyzbm07mhDA==
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

2026-09-15T19:30:35.392312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002541
observed 0b9c0ba95fa5422f6c7fb9bc768cbc08...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:35.360052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002541/manifest.json
observed a8a49a104b2d20e6c91346157825c1c1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:35.348211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002541/publication.txt
observed 3c6bc55129e94e927c9bc93094f344c3...
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