OpenTechnical

OT-2026-000069791

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069791) never changes.

Identity and time

Publication numberOT-2026-000069791 · never reused
Internal UUID01a0ae91-185f-739c-8b1a-71cde33209c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069791
StatusPUBLIC

Content hashes

Canonical text4a28ae0472641e29fa8f367bcfb470132baecff7f7e58eefbe66c4d7cd8706af
Markdowna5250d9003ea32f3e2ceb9a72e45a5b038f4368619d045813f111c97be8df079
PDF
Publication pagea5f3275d7ed3de9ae3e97b2e045f8f41f819e9861135992c647a4785d09a0a6b
Manifest54e51235bbd89c7224525b98fced7a410f03384b53a0931f52c8ef688b48f8eb

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
SignatureKRzApNUubexpk7twVLc0Kj7N/1Tn0/aeDGFCgfy+NrBX0sc037Kvg6SiGCYk/p6ULwr8JVmJRmUxkmLCx4BZDA==
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

2026-09-17T10:26:37.382115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069791
observed a5f3275d7ed3de9ae3e97b2e045f8f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.364543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069791/manifest.json
observed 54e51235bbd89c7224525b98fced7a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.346497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069791/publication.md
observed a5250d9003ea32f3e2ceb9a72e45a5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.328784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069791/publication.txt
observed 4a28ae0472641e29fa8f367bcfb47013...
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.