OpenTechnical

OT-2026-000065087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000065087) never changes.

Identity and time

Publication numberOT-2026-000065087 · never reused
Internal UUID01a0ae8e-1df9-7893-9bba-d72a61d82483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065087
StatusPUBLIC

Content hashes

Canonical textd7ec61f81c3f453a5634ae24e743eb0849b2c2acfaf61df54385a9dbd0135a53
Markdown842382dec2d3d6ffa27c9a13807714c027dc0eb852d44a3310418464e5d7978e
PDF
Publication page8b8ab1a33fd082e0fa083c3111e4a5e0882a86e084a47e23bb8fe5d4ce6f0a46
Manifest95e40d81718981532110b2f277a4cc2885f86698869ab5421803504eec7d10c4

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
SignatureUXrmCV0+iQ2kIae4LaBwfzbgrk2Io6a2AyjGpgrXXxPBTgpiuDUwcVlQJ1LX6wAwWsSIaq45iepphpM2gjkUDQ==
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

2026-09-17T10:34:19.617825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065087
observed 8b8ab1a33fd082e0fa083c3111e4a5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:19.601958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065087/manifest.json
observed 95e40d81718981532110b2f277a4cc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:19.584446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065087/publication.md
observed 842382dec2d3d6ffa27c9a13807714c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:19.566828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065087/publication.txt
observed d7ec61f81c3f453a5634ae24e743eb08...
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.