OpenTechnical

OT-2026-000013357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000013357) never changes.

Identity and time

Publication numberOT-2026-000013357 · never reused
Internal UUID01a0ae6d-6fc9-761a-9c8d-e8fef426300f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013357
StatusPUBLIC

Content hashes

Canonical textf8d2a296887c55d6191fb9ac82d58c62e9379e0d93310d465ef39d65de39fec7
Markdown01f6c9a3abc49953d14926020295225b1c168b2a4ad5c2ba26ac557ee65b5291
PDF
Publication page26dedea50f6bae8568699c2eb30988d7d5297040bb5be931871bf3cfb4042ac5
Manifestd41339ec551827615f615c53ad61764b5798fbb4593b70b723ce7a605a962f9c

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
SignaturewT/UM1bUhFI7Cs8uy+CWnl1TgHaqwyNhXSVOae69cWrxmV+Td5jTbI0AM6qauAjTUVr0CHXjz5PYzodfQhfvBQ==
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

2026-09-17T12:09:48.542893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013357
observed 26dedea50f6bae8568699c2eb30988d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.521592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013357/manifest.json
observed d41339ec551827615f615c53ad61764b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.501836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013357/publication.md
observed 01f6c9a3abc49953d14926020295225b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.481903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013357/publication.txt
observed f8d2a296887c55d6191fb9ac82d58c62...
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.