OpenTechnical

OT-2026-000001688

Publication integrity record

Crane arrangement

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-2026-000001688) never changes.

Identity and time

Publication numberOT-2026-000001688 · never reused
Internal UUID01a0a677-bebb-7a80-82c1-421eef4a1cc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:40.603437Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001688
StatusPUBLIC

Content hashes

Canonical textcb8675c8ac0bbc49fc4b90aee8d93924e75ee8e776653d8c89f58f8eee709395
Markdown3aea5720938ec97701a5e0f2adbfd4012553ac173c839d2c78850590b92ffe79
PDF
Publication page4e73b58098756b40c9138a9cbefecb8670fcf73efaa29168da60572f34259f67
Manifest0de9b3fa0e02821ddcb96cf87b7464a0f2bf9e83fb96c2d5364995310d38bc57

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
SignatureowyZIv6zkeAqkoFWYHNt64rZdh5g/iuoNP7a7ZftFp8AeCE5m0Hy58UcZ7UrjfwAWogwOi4EQQqTi56Df6x3Bg==
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

2026-09-15T20:00:13.654143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001688
observed 4e73b58098756b40c9138a9cbefecb86...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:13.487819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001688/manifest.json
observed 0de9b3fa0e02821ddcb96cf87b7464a0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:13.472430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001688/publication.txt
observed cb8675c8ac0bbc49fc4b90aee8d93924...
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