OpenTechnical

OT-2026-000083791

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000083791) never changes.

Identity and time

Publication numberOT-2026-000083791 · never reused
Internal UUID01a0ae98-0417-72fc-b19b-4b70d6622ecd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083791
StatusPUBLIC

Content hashes

Canonical text6ace6866089f2f5c6100974af92d0927db641f240397d2c9afbd4bd58222149a
Markdownbb343ce3588fa825a827788de04e4cd872f065121ad86a821ca0370db3d4e98c
PDF
Publication pagecd892f09bb2507c2f6d87bbd76f68209ebf2ce658f402c64aebf427936a233fc
Manifeste30d2d18eccfd458bdcf7919f3d3215a25d2475e8fcf3bfa5b918a651153b914

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
Signature4du9gPRrvJEtJkYCBowGkMBKudQQAkKiSXhlsG7MgwYj7yAfia23RfSCunB3+9sy3mHMzR3jnsIbT0Jb5/VxBA==
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

2026-09-17T09:57:26.207652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083791
observed cd892f09bb2507c2f6d87bbd76f68209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.190931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083791/manifest.json
observed e30d2d18eccfd458bdcf7919f3d3215a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.175103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083791/publication.md
observed bb343ce3588fa825a827788de04e4cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.159831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083791/publication.txt
observed 6ace6866089f2f5c6100974af92d0927...
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.