OpenTechnical

OT-2026-000040179

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000040179) never changes.

Identity and time

Publication numberOT-2026-000040179 · never reused
Internal UUID01a0ae79-26ff-7ddc-a320-59d0160db893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040179
StatusPUBLIC

Content hashes

Canonical text2cf524f03db729eaae456bb8d46281b18657ba801bb18ef1afb3f6f6a0302d82
Markdown6a9dfddafda845c980531f707d4b8a93bb1976ac2b228c63ce29c8aa674ef805
PDF
Publication pagebbefbc6d2786cc339967d91c6d9528c7ff0214bf97593568cd2391e6fc89a7ea
Manifestc4259b1012dbccd7a4a9f6d11fb91668f534ef4864a9cec15be12c7fbd2b829d

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
SignaturekefQO+qK8NHkGyd7KYh2o8NJ9qgluRJIR5gMHG62OVgikGw0S1XrMesEnsGpU8JH3oJcwFMY/noSkc90coKwCA==
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

2026-09-17T11:19:03.504221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040179
observed bbefbc6d2786cc339967d91c6d9528c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.489414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040179/manifest.json
observed c4259b1012dbccd7a4a9f6d11fb91668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.474647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040179/publication.md
observed 6a9dfddafda845c980531f707d4b8a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.459780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040179/publication.txt
observed 2cf524f03db729eaae456bb8d46281b1...
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.