OpenTechnical

OT-2026-000012829

Publication integrity record

Single cup vacuum gripper, three stage ejector, pulsed blow-off before set-down

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-2026-000012829) never changes.

Identity and time

Publication numberOT-2026-000012829 · never reused
Internal UUID01a0ae6d-5563-7b18-8974-5b87af638b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012829
StatusPUBLIC

Content hashes

Canonical textdd3abc1194bc4101d76aa95580129408ce72e19d7fb5cf639c20564cc1044cf7
Markdownc19cb60d326f4912818bdcaabffd39d1ff286c0720fc6b65b3c98acc1f003a04
PDF
Publication page6a3558665ef92b97801e9d3bcc477cea9a1ae40132a4a3320369bb3d2310b587
Manifest9826a610e49007d400c8535a80145b6b717ffa20916819563ea21e1d27037098

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
SignatureyETjQASXIl2k1zx3XZvxTT3ETztW4SK3pHqfLstvK+b9g0yZioZrOt212P4XbODOGtt+u/CYqRYmwbKQXPFGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:34.544403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012829
observed 6a3558665ef92b97801e9d3bcc477cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.524642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012829/manifest.json
observed 9826a610e49007d400c8535a80145b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.271067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012829/publication.md
observed c19cb60d326f4912818bdcaabffd39d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:34.252814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012829/publication.txt
observed dd3abc1194bc4101d76aa95580129408...
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

Custody packagePending Custody packages are produced weekly.