OpenTechnical

OT-2026-000017099

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000017099) never changes.

Identity and time

Publication numberOT-2026-000017099 · never reused
Internal UUID01a0ae6e-591b-7e0e-9776-0ddcbf50ea07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017099
StatusPUBLIC

Content hashes

Canonical text1f17b43f9f2d1cd818573e2b4115ec7772c82af506b63ef844b5e0fc6884437f
Markdown6ac32bcdd723a21d355b8385bc6c986e97799a461ff526338d8ceec516473616
PDF
Publication pagee6042df52ba350b24a17f83b39987e0fd68a42a5837f72d6c852af14cad46dc8
Manifestb9969335c84d131a4ecb98a8ca02626c85242822122cdab7332a1464b8024330

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
SignatureOE+fbomT0/otR3M8QQrLNTyAEis4Iu5olF059TXykR4g+RYj0UuvIH7p9rjAcvK7czCY1GyzWjPm3W5jcaSGBw==
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

2026-09-17T12:03:31.394421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017099
observed e6042df52ba350b24a17f83b39987e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.376979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017099/manifest.json
observed b9969335c84d131a4ecb98a8ca02626c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.360786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017099/publication.md
observed 6ac32bcdd723a21d355b8385bc6c986e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.345422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017099/publication.txt
observed 1f17b43f9f2d1cd818573e2b4115ec77...
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.