OpenTechnical

OT-2026-000045727

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045727) never changes.

Identity and time

Publication numberOT-2026-000045727 · never reused
Internal UUID01a0ae7d-8f04-7ac6-b7b5-686c78f97e8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045727
StatusPUBLIC

Content hashes

Canonical text39bc2116502fe480ffbb889ea9723b1fd25e68c681ebdc2772f8de7129dfe109
Markdownf275a3cb2c62d914a25db8c23af154983ffee2c86d8ffac4ef5a735a6e93ef32
PDF
Publication pagecdf6141d6c66e26892a0712375eb3875acea1e2b19f8a10aa89225a08e22dce8
Manifest673cbccae228ee4495fd65be9874d47bba98737cd0ee7e703c613079e9b7209f

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
Signature5R5xw0NhcTfwd0T2UGB1sL2xjfsQ0Dkr+160ScaDi4p55RIQjkT7NSo+pFcNxIZS0sGFNw/qn58N5ru0MDfcDQ==
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

2026-09-17T11:09:32.538254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045727
observed cdf6141d6c66e26892a0712375eb3875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.520807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045727/manifest.json
observed 673cbccae228ee4495fd65be9874d47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.503141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045727/publication.md
observed f275a3cb2c62d914a25db8c23af15498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.483997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045727/publication.txt
observed 39bc2116502fe480ffbb889ea9723b1f...
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.