OpenTechnical

OT-2026-000000066

Publication integrity record

Vacuum cup for article lifting machine

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-2026-000000066) never changes.

Identity and time

Publication numberOT-2026-000000066 · never reused
Internal UUID01a0a672-d727-73e1-959e-8647468ea1af · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:19.175541Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000066
StatusPUBLIC

Content hashes

Canonical text6186c9451299b67e38f11bb01ffbb074f98ca48cba61c62ebb0e242b5684b18a
Markdown262cd23ba2bcdf3c996d83d2e870638ec414eca6fb35ea6a4283c815bfbdf13a
PDF
Publication page4a5bc9851c29e5f7858d4badb9aeb184d5898927f3305dfe09ee9254c621a1f6
Manifestb927c5c04f8ffd101112486de9ca3e6f8ebc3f5e81adf46975abf08d38bd0eed

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
SignaturelkvtR4mz+z+8MuMgpXYXUv2rhXMcKGfz4lwiEoy+LlG6MNVpwzeZUBFR43IoyQGNgkZpOot4J1oJR2NaTQM4CA==
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

2026-09-15T21:00:15.362366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000066
observed 4a5bc9851c29e5f7858d4badb9aeb184...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:15.333308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000066/manifest.json
observed b927c5c04f8ffd101112486de9ca3e6f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:15.320117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000066/publication.txt
observed 6186c9451299b67e38f11bb01ffbb074...
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