OpenTechnical

OT-2026-000072763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000072763) never changes.

Identity and time

Publication numberOT-2026-000072763 · never reused
Internal UUID01a0ae92-89da-768c-aba4-e3515443c003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072763
StatusPUBLIC

Content hashes

Canonical textf8f22234e3fc8e9034f08183fbddf5fdd3ca022d7a7e0c0d445766cf938e81b2
Markdownb787478b144e273f83106cd5f1077be86772b945ce2b5698d0f2e3d10602109f
PDF
Publication page5a076a3eb70ec9cd9002793dcf817839a6a54c35b4796f770d9be4810590299a
Manifest0e38d26d47f2e29c1ec32004e81ad7e39c0e9d2a4eccbaaef49e82e8e4be5ace

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
SignatureKJ8h5bsTlx4kxQXckeq2U64coE++d8uNhVvaSpCWRUTo/7Il3MZ8wkfTGffd24abYJ5S1Ux086Uv9eQoDm81Dg==
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

2026-09-17T10:22:40.194568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072763
observed 5a076a3eb70ec9cd9002793dcf817839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.177041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072763/manifest.json
observed 0e38d26d47f2e29c1ec32004e81ad7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.160101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072763/publication.md
observed b787478b144e273f83106cd5f1077be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.143962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072763/publication.txt
observed f8f22234e3fc8e9034f08183fbddf5fd...
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.