OpenTechnical

OT-2026-000001530

Publication integrity record

System and a method for temporary storage and offloading of granular materials

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-2026-000001530) never changes.

Identity and time

Publication numberOT-2026-000001530 · never reused
Internal UUID01a0a676-a7aa-7566-96c4-ae4f86c19d70 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:29.162409Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001530
StatusPUBLIC

Content hashes

Canonical text4da1ea66f77d914b7da39941c6599b11288bfd774ddcdaa678bab570d154a8bf
Markdown279b7051e13e15d7ad89721b89695eb81dfc0aeec13743c32242ab2f00a03892
PDF
Publication page21ddd6fb1c7280af59ab395f03f29f0af3b2adb858cc0f5deae261bdd5885b0e
Manifest1ee77af4bd6a0bee90dd74cb227b8a453712562e3188244c7828cce610adc651

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
SignaturemfZEjnm89MS3k4VVOxrhhWi2OYFJ4jf72NUfolQV/7+wDRqgp+rBFGEyriYn/utUazCAlTBX5Enl9jXKWjcACA==
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

2026-09-15T20:00:33.948138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001530
observed 21ddd6fb1c7280af59ab395f03f29f0a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:33.919012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001530/manifest.json
observed 1ee77af4bd6a0bee90dd74cb227b8a45...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:33.905672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001530/publication.txt
observed 4da1ea66f77d914b7da39941c6599b11...
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