OpenTechnical

OT-2026-000003111

Publication integrity record

Vacuum cup

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-2026-000003111) never changes.

Identity and time

Publication numberOT-2026-000003111 · never reused
Internal UUID01a0a68d-66f3-7842-a910-726c3964f609 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:31:19.924064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003111
StatusPUBLIC

Content hashes

Canonical textb80dbeb1ce6fc82f8bc9e7edefacef6eb5245f4d9345ca92c447bbae092a9f2d
Markdown3411f0cec038b3f1f40fddee73bb81d16dbf792c2399a0f01d290f65989c05fb
PDF
Publication page0eff6cebaf5a02942ca4ed310b18831ef5fb8f04daf609d3a250ebf469268569
Manifestfc55ca5d575639979ce0e9841f6696909ed709277fdfbec14ccf2b2f8b588fe6

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
SignatureCNnN9PmiVAwjfEOCV1gXDKgBLknSxNUAQpLGYjbvuI//rZCWixsiyzyKFCeA4rUOhWwrgReH5/N+JRdpnkWLAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-10-02T04:42:04.269083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111
observed 0eff6cebaf5a02942ca4ed310b18831e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T04:42:04.180421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111/manifest.json
observed fc55ca5d575639979ce0e9841f669690...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T04:42:04.127441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111/publication.md
observed 3411f0cec038b3f1f40fddee73bb81d1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T04:42:04.020925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111/publication.txt
observed b80dbeb1ce6fc82f8bc9e7edefacef6e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:07.221133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111
observed 0eff6cebaf5a02942ca4ed310b18831e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:07.190505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111/manifest.json
observed fc55ca5d575639979ce0e9841f669690...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:07.176111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003111/publication.txt
observed b80dbeb1ce6fc82f8bc9e7edefacef6e...
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