OpenTechnical

OT-2026-000006569

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, contact triggered on the face, plastic cups

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-2026-000006569) never changes.

Identity and time

Publication numberOT-2026-000006569 · never reused
Internal UUID01a0a95f-d667-756d-94d0-93262e697d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:25.450324Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006569
StatusPUBLIC

Content hashes

Canonical textdfdd166011b510ae3d85db351972aad0c8429d88b1f327be8b1b5d1de853515e
Markdown8c5bd7598af2b4a029443ed3d2662aae895586a6c9bbf3744d534e30f6a7f5a4
PDF
Publication page7debd276e2a7726f30433270f89e3f8b706bfe81ed1782eaedcba0a1e74b8104
Manifest09960d7313f7fbfb81f099fe972b6883bc22137c829e70b3ef7c4e903deef964

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
SignatureIRJGNrG9RxrdE2Mk/18hBwYYAqFL5Ngixl7JS3ND5kyJMDSUrwwpMQjDhGA1k3AG84RYAQRFVOdOKZX5iopPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.914852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006569
observed 7debd276e2a7726f30433270f89e3f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.902257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006569/manifest.json
observed 09960d7313f7fbfb81f099fe972b6883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.887830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006569/publication.md
observed 8c5bd7598af2b4a029443ed3d2662aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.749431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006569/publication.txt
observed dfdd166011b510ae3d85db351972aad0...
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.