OpenTechnical

OT-2026-000002646

Publication integrity record

Picking assistance robot and picking assistance system

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-2026-000002646) never changes.

Identity and time

Publication numberOT-2026-000002646 · never reused
Internal UUID01a0a67d-ea31-76b2-8cc0-086fe51c8408 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:24.946292Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002646
StatusPUBLIC

Content hashes

Canonical text4d1e0f8a51a81afe28848d66e2a8334a127ab19b4470a346efe712557b0f9973
Markdowncfd7cccdba86e4aaf94ea3b3589221f32d2b7064f6f2d93cca406360dc74db7f
PDF
Publication pageb9450bb8af4a90b5d1bf391db18208ab72c153422769cfe7a2c931e92fe65946
Manifest27fc990b0b163848d2cdf1af9c4858aa2eeea0cc9ae36fe860ce0e5aede4dc40

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
SignaturertYjPUrFpSXjo+BWZ9MntiD8I1r6wzpwAGUoGh8v2nKgtstFF1yEzl6E/h9ubc/dQZfgXR110Xo1XIt1BuqHDA==
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

2026-09-24T20:41:32.299889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646
observed b9450bb8af4a90b5d1bf391db18208ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:32.238877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/manifest.json
observed 27fc990b0b163848d2cdf1af9c4858aa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:32.184616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/publication.md
observed cfd7cccdba86e4aaf94ea3b3589221f3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:32.027886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/publication.txt
observed 4d1e0f8a51a81afe28848d66e2a8334a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.450483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646
observed b9450bb8af4a90b5d1bf391db18208ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.433927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/manifest.json
observed 27fc990b0b163848d2cdf1af9c4858aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.418840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/publication.md
observed cfd7cccdba86e4aaf94ea3b3589221f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.401912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002646/publication.txt
observed 4d1e0f8a51a81afe28848d66e2a8334a...
fetched by instance-3.rotem.ai from 34.69.0.72, 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