OpenTechnical

OT-2026-000018519

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000018519) never changes.

Identity and time

Publication numberOT-2026-000018519 · never reused
Internal UUID01a0ae6e-b48a-7ccb-a05f-2efe3f835fbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018519
StatusPUBLIC

Content hashes

Canonical textab6fdd2a1b66e4856d44a5588822c0e32c90ec21b359a47d32a405ce0f63640a
Markdowna5e6ae0e6c34287e82e60142042b876a345e9f55a4cdc397c0788d112d2f37ef
PDF
Publication page7debabcf7bd2b8921a352f054d829228f0bcce1eb764dd4fa1e38bbe0b999c18
Manifest17820190f29413fdc07c72b711ab2a6b1a1c77db7a2db3e0f30a2f2cb9771ffe

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
Signature4o1UAA9RSWk2lbEijRkyCVtwYOb4Omm2Kucmmrjb9MbOd8gNVUPmEoVni6/jrquSmlnAGjum2pKyza30xMuuCw==
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

2026-09-17T12:01:17.497695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018519
observed 7debabcf7bd2b8921a352f054d829228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.480891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018519/manifest.json
observed 17820190f29413fdc07c72b711ab2a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.462817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018519/publication.md
observed a5e6ae0e6c34287e82e60142042b876a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.443451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018519/publication.txt
observed ab6fdd2a1b66e4856d44a5588822c0e3...
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.