OpenTechnical

OT-2026-000003416

Publication integrity record

Actuating arrangement for a clamping device in a machine tool spindle

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-2026-000003416) never changes.

Identity and time

Publication numberOT-2026-000003416 · never reused
Internal UUID01a0a6be-b224-7647-8819-e88fb02fa417 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:25:10.437085Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003416
StatusPUBLIC

Content hashes

Canonical texte49abb5a020fba17cf00bc1617441fa3cdde38cf24dcf22157c6ff32219992bf
Markdownc42824958be6daf9954313c55754237b11deeffab96515b7026c739734e87815
PDF
Publication page5fb623d8462eb9830c9c1bb51b2430e1c98117ccceb8754982650954b61546dd
Manifestfbbce40fd5700a245723ed6fea0146e19138091fe8ef53691b7644162089d7d5

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
SignaturemDmjTZ0dGb2OoUoKjZTD/7MmkDnaIfYvaDM5aM/gNs67pc3/7nY7fgcYGnlGNMdEsa8wBAk1boW08wYeB6wkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-17T04:23:18.412800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416
observed 5fb623d8462eb9830c9c1bb51b2430e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:18.397809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/manifest.json
observed fbbce40fd5700a245723ed6fea0146e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:18.383282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/publication.md
observed c42824958be6daf9954313c55754237b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:18.335443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/publication.txt
observed e49abb5a020fba17cf00bc1617441fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:12.071407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416
observed 5fb623d8462eb9830c9c1bb51b2430e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:12.058075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/manifest.json
observed fbbce40fd5700a245723ed6fea0146e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:12.043823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/publication.md
observed c42824958be6daf9954313c55754237b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:12.030828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003416/publication.txt
observed e49abb5a020fba17cf00bc1617441fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, 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