OpenTechnical

OT-2026-000029760

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000029760) never changes.

Identity and time

Publication numberOT-2026-000029760 · never reused
Internal UUID01a0ae73-5e24-7edd-9ed0-87c5ca0921a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029760
StatusPUBLIC

Content hashes

Canonical textf9ee10df9aff80a0499d05b9ad8a3f96ce239edc02d8ffa58a61606ee6c09996
Markdownfaba6e55a0f3a2bab1abd36ba15684eb70b3c5b23450a8f8b7b34041c5fa8906
PDF
Publication pagec02d42f8f0ecdce255ae2885b52ed340d9ca0bb6597e9e97e731bfae3eb1a006
Manifestde691f2ecbae8046f64943b75bdbcc7c528198f728db1a01bc718dd606de8939

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
SignatureU1lLds2kMdNK6SPGeDo8Q7F9hWXumtgkiYZ23EBq93jyy9m6mhZM/7DMjHA9la3mEcM90fKKu9AaqrBqRRJECQ==
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

2026-09-17T11:39:31.442183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029760
observed c02d42f8f0ecdce255ae2885b52ed340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.423128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029760/manifest.json
observed de691f2ecbae8046f64943b75bdbcc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.407201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029760/publication.md
observed faba6e55a0f3a2bab1abd36ba15684eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.390574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029760/publication.txt
observed f9ee10df9aff80a0499d05b9ad8a3f96...
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.