OpenTechnical

OT-2026-000018431

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two 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-2026-000018431) never changes.

Identity and time

Publication numberOT-2026-000018431 · never reused
Internal UUID01a0ae6e-b489-7348-a978-ead400a4c0e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018431
StatusPUBLIC

Content hashes

Canonical text7aa38c74b31cb83d0a5616ea7ad5076f5e52dd96a3ad91709f1dc999c7990a02
Markdown6638300be3d7388f5ae3cce52be64a26f37f9498e89ff77f8612feedd46832e9
PDF
Publication pagec89db7a0ffb13810bc545b736e6364af9603bff7d77d5ccd51e20b7ae3867aa1
Manifest180abf5de45f0e022e4a33ed631a0ad0ff2c592795107447a41920ab6a81bdda

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
SignatureMy4ZY+VIbQNdTr67VXTosZA5FjKdNUU7ZauLsj1BAdxg5lfQBwqbv50fCezJAV7w/zvGwVOq6XVrjYY40h2hBA==
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

2026-09-17T12:01:10.939500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018431
observed c89db7a0ffb13810bc545b736e6364af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.921800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018431/manifest.json
observed 180abf5de45f0e022e4a33ed631a0ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.905475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018431/publication.md
observed 6638300be3d7388f5ae3cce52be64a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.888804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018431/publication.txt
observed 7aa38c74b31cb83d0a5616ea7ad5076f...
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.