OpenTechnical

OT-2026-000000825

Publication integrity record

Method and apparatus for holding substrate

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-2026-000000825) never changes.

Identity and time

Publication numberOT-2026-000000825 · never reused
Internal UUID01a0a673-e0de-739a-a7bd-788be018328f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:27.199005Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000825
StatusPUBLIC

Content hashes

Canonical text83cd7eea8650a0699ae2e9cfe3c8dbae3123a1d01269b6382d963cdbdbbdeb1a
Markdown89e04fed304d459a235257acd3a4c6b38f0efde157cc1788491ce39c3996ff87
PDF
Publication page4e95d79a134880ded43d38f837abffc05f2d4fd90bc3d9e86e366ac913b6bbf6
Manifest63107df83d6d4be806b1ec8b064eaf9a0314905111706fd912621e339d4033d0

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
SignatureB7Rhhuu2LNQCG16vD/GEQd+17pVGtfVNeaZbZEampGm0X1UckqLNMUGzV49mFm9RGrDvgkJVK0qtSCsrS3f1BA==
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

2026-09-17T20:43:17.422463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825
observed 4e95d79a134880ded43d38f837abffc0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:16.863133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/manifest.json
observed 63107df83d6d4be806b1ec8b064eaf9a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:16.654210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/publication.md
observed 89e04fed304d459a235257acd3a4c6b3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:16.383045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/publication.txt
observed 83cd7eea8650a0699ae2e9cfe3c8dbae...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:23:15.017474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825
observed 4e95d79a134880ded43d38f837abffc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:15.000470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/manifest.json
observed 63107df83d6d4be806b1ec8b064eaf9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.984847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/publication.md
observed 89e04fed304d459a235257acd3a4c6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.945344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000825/publication.txt
observed 83cd7eea8650a0699ae2e9cfe3c8dbae...
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