OpenTechnical

OT-2026-000069827

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069827) never changes.

Identity and time

Publication numberOT-2026-000069827 · never reused
Internal UUID01a0ae91-185f-769d-b10f-911514b43061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069827
StatusPUBLIC

Content hashes

Canonical text7710da4d6108fa9eaf1f083f42954ac074b910035692433c68f02d95fe5c22f1
Markdown0861523188a246250764e19ee11a74b6a05f700dc259a277b190d69be937d548
PDF
Publication page84734c1995ababd2e885a418500852bfad36d60b389d31678e81869f42e5e42f
Manifestef4d270c8eb5e020478547cfb910502065509965bb78af7a263b0963d275f849

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
SignatureogNLpoLCkkfRTR2iRLQzBf4e50BVGg43l9bOw0ZBc4qvyClW8lJ21ZJwtibasEg6zdnuXXyHEnwhYVGJsCYACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:39.552282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069827
observed 84734c1995ababd2e885a418500852bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.534605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069827/manifest.json
observed ef4d270c8eb5e020478547cfb9105020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.517419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069827/publication.md
observed 0861523188a246250764e19ee11a74b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.501320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069827/publication.txt
observed 7710da4d6108fa9eaf1f083f42954ac0...
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.