OpenTechnical

OT-2026-000013777

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013777) never changes.

Identity and time

Publication numberOT-2026-000013777 · never reused
Internal UUID01a0ae6d-8de9-7516-9c54-9bebb6bbf237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013777
StatusPUBLIC

Content hashes

Canonical text7ccddb1a79f47d8d4ec244238d1a2dfa2ba50250cda2c792eb2acee2bf91fbab
Markdown58f78c5bca353d76bccd1ad86c963a62902e447f7ac930603d75c5e45e0088f0
PDF
Publication page98c37854f079ee618e622dda56f5db3cd83c618eee6f14d63b7cd1f42c83234d
Manifest0916b25212a1be52532acbb87c1a59222c48bdb797b44a36e36dc8e870bd130f

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
SignatureSX889zXKzZb8oBwY29CnwOlsUw3iRa1qmMcZGrcZW7eqTAay4KTaJ2GIK9exumC1vy0pG4D9hB2j7DvtfTLFCg==
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

2026-09-17T12:08:51.611748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013777
observed 98c37854f079ee618e622dda56f5db3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.593278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013777/manifest.json
observed 0916b25212a1be52532acbb87c1a5922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.573748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013777/publication.md
observed 58f78c5bca353d76bccd1ad86c963a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.553536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013777/publication.txt
observed 7ccddb1a79f47d8d4ec244238d1a2dfa...
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.