OpenTechnical

OT-2026-000011680

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000011680) never changes.

Identity and time

Publication numberOT-2026-000011680 · never reused
Internal UUID01a0ae6d-1940-7fe7-ac90-76a5f0755ef1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011680
StatusPUBLIC

Content hashes

Canonical texta10850469b9f83f2a6ba46766d427f297df95f4259d6a086d192ff51426648e0
Markdown35f75e505db28d119e41f3dfb477742b8305859fc925dbb1708a19c9b5015f03
PDF
Publication page269429017c2eec61e6ca07bec0a6852a632fe6f2b318007b84e42b7de7a5dbd3
Manifest665312958f6c5364e8a779cfe542c123610d82d4344d71d6bdbce21ec04b4b87

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
SignatureMRbJ3lWH1GNDd4w4O0WiSmVCYvQ6z5WFlyBVEb9IVUUU2Uu3QM/8/KFe1zJ0ncXcOEtx6QcVVOVA3H/l/hOdCA==
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

2026-09-17T12:12:16.656043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011680
observed 269429017c2eec61e6ca07bec0a6852a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.637195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011680/manifest.json
observed 665312958f6c5364e8a779cfe542c123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.616424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011680/publication.md
observed 35f75e505db28d119e41f3dfb477742b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.597513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011680/publication.txt
observed a10850469b9f83f2a6ba46766d427f29...
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.