OpenTechnical

OT-2026-000079521

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000079521) never changes.

Identity and time

Publication numberOT-2026-000079521 · never reused
Internal UUID01a0ae96-0b91-7045-820a-a83cce08c45c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079521
StatusPUBLIC

Content hashes

Canonical textbfdbedfa5b330bf503e5ff44fe087b2c20197e8c94b485eafc100a821f97cd28
Markdown914c97d97406495cbe0597ec670ef92a131009f60a797cc89aa83c4926a77011
PDF
Publication pagec15a51cc9a013ab31c6577c84a38c9d2cad10539a15cfbfeddbf55b7a2b26fb2
Manifest44ea36a9b11b65a0ef807afe9ec14e4e077552f80c3ea2d25d32c0b5e2211189

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
SignatureUeeyqOCzGxrjJzBQcRaIsXBXc6XjJqkuZIttiC0mC07vPhmYJuwGOP8GzBKgELgdM1edyyJi6CMR320Mi55/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:09.892923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079521
observed c15a51cc9a013ab31c6577c84a38c9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.874552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079521/manifest.json
observed 44ea36a9b11b65a0ef807afe9ec14e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.856186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079521/publication.md
observed 914c97d97406495cbe0597ec670ef92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.837598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079521/publication.txt
observed bfdbedfa5b330bf503e5ff44fe087b2c...
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.