OpenTechnical

OT-2026-000000456

Publication integrity record

Method and tooling for dismounting a cassette seal

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-2026-000000456) never changes.

Identity and time

Publication numberOT-2026-000000456 · never reused
Internal UUID01a0a673-60c5-72ac-a829-5852c4b47082 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:54.405434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000456
StatusPUBLIC

Content hashes

Canonical texted5f356a339ca0b2022c873636868e09d012612663942ba89b395302e06959a3
Markdown60106e44abd711801b4c81eaa51470a34d0bf9e4ca4c994d45364ed37c47e17d
PDF
Publication page3454ec929c7f444cd5296fa511720ab703da63e64ad2546c7b072306f839868c
Manifest9b23a430bdb84ab73ae6a0dac2a195b9e044b53deab57aa5af69e964f0826b2a

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
SignaturewQdUIHi/Kojod+k4U6W4DYvKYJrovsQSJHZYe2m8LKZKhB3NSmII7BzAwDW3leJ7CMGxIsrW/M3K5mdRnCeHAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T20:42:19.878128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456
observed 3454ec929c7f444cd5296fa511720ab7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:19.671513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456/manifest.json
observed 9b23a430bdb84ab73ae6a0dac2a195b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:19.528706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456/publication.md
observed 60106e44abd711801b4c81eaa51470a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:19.285669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456/publication.txt
observed ed5f356a339ca0b2022c873636868e09...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:07.618344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456
observed 3454ec929c7f444cd5296fa511720ab7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:07.571644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456/manifest.json
observed 9b23a430bdb84ab73ae6a0dac2a195b9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:07.558084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000456/publication.txt
observed ed5f356a339ca0b2022c873636868e09...
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