OpenTechnical

OT-2026-000015284

Publication integrity record

Single bellows 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-2026-000015284) never changes.

Identity and time

Publication numberOT-2026-000015284 · never reused
Internal UUID01a0ae6d-ef48-707b-8ec5-15ad21ea121f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015284
StatusPUBLIC

Content hashes

Canonical text625661a8673be9608956102bb23272550c82a60361e1f5f469213946c0a305b7
Markdown710f3dbd2f45927c5f0658e1356b14bc72a5622d237adb3024923bb66ca7ed26
PDF
Publication page46e0937261f4b9b2659b5a2a36f4ac80d5920873f4d6789d2f4dacdeee54abc9
Manifestccb614c0e913b33d1117951a07b62840dc4df4110b286e8e215127d6a4439ccb

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
SignaturetOFkwVtQbz5252QJx5xI+D/TXI+zTwHFhXX13BqzpVx8NTc2TlzupBslBnkq+hI951Bz9z8IT3dv86UN0kyiBQ==
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

2026-09-17T12:05:41.249878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015284
observed 46e0937261f4b9b2659b5a2a36f4ac80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:41.201673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015284/manifest.json
observed ccb614c0e913b33d1117951a07b62840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:41.181828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015284/publication.md
observed 710f3dbd2f45927c5f0658e1356b14bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:41.093739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015284/publication.txt
observed 625661a8673be9608956102bb2327255...
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.