OpenTechnical

OT-2026-000003392

Publication integrity record

Attachment for loading and unloading constructional material

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-2026-000003392) never changes.

Identity and time

Publication numberOT-2026-000003392 · never reused
Internal UUID01a0a6ba-e93f-7505-a72e-fdaf14fcaeed · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:21:02.400110Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003392
StatusPUBLIC

Content hashes

Canonical text3fcd5099e6090ceb751c8a5f5d9da35bba9a27ead264cfa94b4f4f86d4b26774
Markdown321917a9625b86fa8293ec210492062aeeaf151b7105b9e3bb1759e228cff50b
PDF
Publication page590ec03555db8263f4a8ad52a9ba51fea59fef653fc883d4c459b41e42ac108b
Manifestda78e2a275ec133d2e7242a053d815f503e68edbf71fdcd01f238298c6e2e1de

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
SignaturebzuAX3dsypiJ1OCb5efn63dDOLoXNj6CfZ2baYpq0vhHdnTS2Rw8KZBv8Lnrj+ifQJZxrvs6pOUtJBm+cMQJDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-17T04:42:28.856306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392
observed 590ec03555db8263f4a8ad52a9ba51fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:42:28.677025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392/manifest.json
observed da78e2a275ec133d2e7242a053d815f5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:42:28.468207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392/publication.md
observed 321917a9625b86fa8293ec210492062a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:42:28.188942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392/publication.txt
observed 3fcd5099e6090ceb751c8a5f5d9da35b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:10.869344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392
observed 590ec03555db8263f4a8ad52a9ba51fe...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:10.718901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392/manifest.json
observed da78e2a275ec133d2e7242a053d815f5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:10.707355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003392/publication.txt
observed 3fcd5099e6090ceb751c8a5f5d9da35b...
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