OpenTechnical

OT-2026-000002947

Publication integrity record

Food portioning device and program

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-2026-000002947) never changes.

Identity and time

Publication numberOT-2026-000002947 · never reused
Internal UUID01a0a67f-a922-7f3a-93db-6b595813c624 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:19.362843Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002947
StatusPUBLIC

Content hashes

Canonical text388c5e8aff74dedc631c900da387479f9e3f45bcba69a924b59efc833af2722e
Markdown9fd24dbf11844f9a03237992690d53ec1cc5d75e691843fd65c6f56fd19cb4a9
PDF
Publication pagee5bdf772891b465d9786c16d4b0495d96048cc5c84c408db9f91f77db748f8bc
Manifest794e07d64fca2ce3e7f7c254b3796f4687d2744b931c811c27bba35d07c5763e

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
SignatureoYPwmXkiFL2vTtmXppDkZMlDYtptwznC7qxPl1177UZvJiUl2LQnvBwOcUBYhd7j8zKUBw006TCXHaAgook4Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T04:23:18.767032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947
observed e5bdf772891b465d9786c16d4b0495d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.751676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947/manifest.json
observed 794e07d64fca2ce3e7f7c254b3796f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.737165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947/publication.md
observed 9fd24dbf11844f9a03237992690d53ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.720460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947/publication.txt
observed 388c5e8aff74dedc631c900da387479f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:20:16.218376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947
observed e5bdf772891b465d9786c16d4b0495d9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:16.189877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947/manifest.json
observed 794e07d64fca2ce3e7f7c254b3796f46...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:16.176249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002947/publication.txt
observed 388c5e8aff74dedc631c900da387479f...
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