OpenTechnical

OT-2026-000002780

Publication integrity record

Robotic carton unloader

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-2026-000002780) never changes.

Identity and time

Publication numberOT-2026-000002780 · never reused
Internal UUID01a0a67e-bbc2-7f01-a15b-542cecfb114f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:18.594813Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002780
StatusPUBLIC

Content hashes

Canonical text8bb4bc0484aa11ecb97e4058c554621b3a1a188591633f371c9a20c6477bee69
Markdownaa6c09fb83e74b94356b3a66a58f72df976612c4a1c1aea3f0c9dca545c10343
PDF
Publication pagec4af99ac1c3097261acdb7ec2e5b1f52b7f7694135982757d0a276d662e8b19d
Manifestaa4cdb411ff8c10aeb9ac37d31d98ab684254323b460e4c16a33a8eb79ba3074

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
SignatureCpibQvoidi580cjPtgtgJqBRfh8/9CPOfo03IGRtUqaoQgiTwbDxXGZCKruGpjx0ZuG7zmXGmT6Y92PsW/ixDg==
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

2026-09-15T20:42:56.240934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780
observed c4af99ac1c3097261acdb7ec2e5b1f52...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:42:55.763036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780/manifest.json
observed aa4cdb411ff8c10aeb9ac37d31d98ab6...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:42:55.511725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780/publication.txt
observed 8bb4bc0484aa11ecb97e4058c554621b...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:34.683913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780
observed c4af99ac1c3097261acdb7ec2e5b1f52...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:34.655219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780/manifest.json
observed aa4cdb411ff8c10aeb9ac37d31d98ab6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:34.643574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002780/publication.txt
observed 8bb4bc0484aa11ecb97e4058c554621b...
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