OpenTechnical

OT-2026-000004818

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, ejector fed, contact triggered

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-2026-000004818) never changes.

Identity and time

Publication numberOT-2026-000004818 · never reused
Internal UUID01a0a924-4e20-74d2-a962-c84d10fa4f7d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:35:23.938392Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004818
StatusPUBLIC

Content hashes

Canonical textb8415d5fe974dfd164ab419497a5a51580566386b5a49195386756059011325d
Markdown2a3dd8d74d01b296ea7817fb291cc0c72fb89824589aaa7d160b8767876943b0
PDF
Publication pageca284c7e5c14ce55706ea331fb548a61d040975a14f2c4996a73544a283df1ae
Manifest894ffef5c6966a61dd63746c01353dced73fcd2761fe9cc6903bdea4508a2a3d

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
Signature7ze+jXeSh5yVKKwP3rAcRcd3gvUnnEbUTcsveDQJjrbZWhKgOzDKxnqYEd9QZZYXieagRg29fmqHikeFy+qmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:15.718349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004818
observed ca284c7e5c14ce55706ea331fb548a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:15.705227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004818/manifest.json
observed 894ffef5c6966a61dd63746c01353dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:15.691556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004818/publication.md
observed 2a3dd8d74d01b296ea7817fb291cc0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:15.679474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004818/publication.txt
observed b8415d5fe974dfd164ab419497a5a515...
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.