OpenTechnical

OT-2026-000003485

Publication integrity record

Vacuum adsorption hand

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-2026-000003485) never changes.

Identity and time

Publication numberOT-2026-000003485 · never reused
Internal UUID01a0a6c6-88f3-7c80-b15d-9a3fc0eb2fda · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:33:44.179494Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003485
StatusPUBLIC

Content hashes

Canonical text9c26df21ff3ae4aa2d9f7d99f6c0f073bd994a1288d9e96522ccb1bab5c00b65
Markdowne806b8b13a5f68b41eb8ead59a11de7bf54bff5bf4b5312e1cc335766454c9be
PDF
Publication paged9f0d2721d5fb4c5775c6c0e1a0a3ee1174592a5542c90734e3e02c3ed35b724
Manifest318a64995bfb5a79f2e5050056b1deb12ec63cbcbfcffa4591e205aea85cfcbf

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
Signature3EzKYk4DUpMmLqnhVkc86nhUS7Q7L1rQCWF7B0BvJvEzLfnczJXSMRkK6DBqmkLVTaWpy4VntjkkXAAPRedLBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-09-21T04:23:04.635069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485
observed d9f0d2721d5fb4c5775c6c0e1a0a3ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:04.622578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/manifest.json
observed 318a64995bfb5a79f2e5050056b1deb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:04.609512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/publication.md
observed e806b8b13a5f68b41eb8ead59a11de7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-21T04:23:04.478569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/publication.txt
observed 9c26df21ff3ae4aa2d9f7d99f6c0f073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:17.422468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485
observed d9f0d2721d5fb4c5775c6c0e1a0a3ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:17.408186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/manifest.json
observed 318a64995bfb5a79f2e5050056b1deb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:17.393428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/publication.md
observed e806b8b13a5f68b41eb8ead59a11de7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:17.359179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003485/publication.txt
observed 9c26df21ff3ae4aa2d9f7d99f6c0f073...
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