OpenTechnical

OT-2026-000006759

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, sustained 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-2026-000006759) never changes.

Identity and time

Publication numberOT-2026-000006759 · never reused
Internal UUID01a0a966-71b9-7631-b4bd-102222152c0a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:38.427823Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006759
StatusPUBLIC

Content hashes

Canonical textcd69e050da32ead78291668d1c02e55275fb6092baa39004b5c4678805234dbc
Markdown1540d18d04c9cfbabf7aaebc19fed9df0ea3be3b5667b07639dbfffce196c3d6
PDF
Publication page9a95cdfd7d705aed8329f914f7e4a0ea7c43c6f7105499e80102dc0e7078c3c3
Manifestdeb6b83a7005b5bf04b90b889ac3807c8e08221376a0a9ba339566763d160c05

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
SignatureSaNhHyEffvNG/2B7aYfQfvz63wjonPvGClJGN9ESKOwEDi6XxOT9I6Xa1mcMjHRgVxDn3EDymeczmC9BLAITDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:09.470723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006759
observed 9a95cdfd7d705aed8329f914f7e4a0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.457267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006759/manifest.json
observed deb6b83a7005b5bf04b90b889ac3807c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.441696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006759/publication.md
observed 1540d18d04c9cfbabf7aaebc19fed9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.427669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006759/publication.txt
observed cd69e050da32ead78291668d1c02e552...
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.