OpenTechnical

OT-2026-000042076

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042076) never changes.

Identity and time

Publication numberOT-2026-000042076 · never reused
Internal UUID01a0ae7a-5d71-7afc-a343-8a8965b6c3ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042076
StatusPUBLIC

Content hashes

Canonical text5fdc61f1bea82501ace79a8be69c599a188f491838b667860d6d459e19c962a1
Markdown3c06073278e4c1ad569be30b2d509311cbe2e3664c1b7807c4fc55a7adca17c1
PDF
Publication page79b9f084332ae6b2b3acdb2b3e8d364dcb65a6094c95597744336af8b1922641
Manifest9f22db0a2f4ac7bf106e632468a1440c326b77d16ffef6c420a4d40690154f66

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
Signature5yzVrcSbkvjYi1Ewk3JJn9Ox2Kr9D6Hbi55nhMyCvnXe513xbQ+RuN11CQy6I5jxkQesB000v1P9+/sXA0EQBA==
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

2026-09-17T11:15:36.082220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042076
observed 79b9f084332ae6b2b3acdb2b3e8d364d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.064181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042076/manifest.json
observed 9f22db0a2f4ac7bf106e632468a1440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.044707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042076/publication.md
observed 3c06073278e4c1ad569be30b2d509311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.028059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042076/publication.txt
observed 5fdc61f1bea82501ace79a8be69c599a...
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.