OpenTechnical

OT-2026-000000644

Publication integrity record

A system and method for engaging a product for product handling

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-2026-000000644) never changes.

Identity and time

Publication numberOT-2026-000000644 · never reused
Internal UUID01a0a673-a59b-7e56-8f89-9c014e960505 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:12.027927Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000644
StatusPUBLIC

Content hashes

Canonical textcf035db0f5d0c070b7008178723953105d54ce1a010c9f922accda487b489674
Markdownc27f1c91ef735a42f14898a53a0e0578d51ee5a06d1b1caeeeb3758a55457745
PDF
Publication page8a985645cf40850809559f29aaf16f5f4589a7accc4a00dd8ff962176aac1194
Manifestbf0a7758a023abdccb24390c62325de224a4dc46a1b105b3e250a4e8477c3d29

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
SignatureuXwOlt34LSRLSAV5Ps+LfU9UoJDF5CdLOqdVpGIy7hWS/5NWHi5J70TnDVYdExRJWb0mcegPKkgBpIBLG/dRBw==
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

2026-09-15T20:40:20.825788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000644
observed 8a985645cf40850809559f29aaf16f5f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:20.795589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000644/manifest.json
observed bf0a7758a023abdccb24390c62325de2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:20.781973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000644/publication.txt
observed cf035db0f5d0c070b700817872395310...
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