OpenTechnical

OT-2026-000001901

Publication integrity record

Safe and robust robotic picking of items based on reference image and item attributes

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-2026-000001901) never changes.

Identity and time

Publication numberOT-2026-000001901 · never reused
Internal UUID01a0a679-524d-706c-a746-d52b21abd9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:23.917480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001901
StatusPUBLIC

Content hashes

Canonical text72b87aea4e8f2605685d543137775fa99e4bf6a993b8f3315d5ac66e1e914827
Markdownabeaa6657f0bac76a46e0796a02525643c753e15e9e2762b65860cb6f3ee5bf6
PDF
Publication pageed1f0bc7370354ad46aadbb2e034c3ab5789bcde957e5c264faad8f401517820
Manifest400ef51e613f18aab8bd8ea9f6f4389f30a6ae813a1bab477d269d53488fbffd

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
Signaturev/KP+WQzFKh6yGUkew8qI+fSkBocn1lkW4Vtr69dnm9z82UUoeCT8B2pOaBvetadPeRXvLvBxQfw2hB1M3dgAA==
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

2026-09-15T19:10:13.135629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001901
observed ed1f0bc7370354ad46aadbb2e034c3ab...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:13.107206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001901/manifest.json
observed 400ef51e613f18aab8bd8ea9f6f4389f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:13.093576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001901/publication.txt
observed 72b87aea4e8f2605685d543137775fa9...
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