OpenTechnical

OT-2026-000067782

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000067782) never changes.

Identity and time

Publication numberOT-2026-000067782 · never reused
Internal UUID01a0ae8f-c4fa-795e-acf7-31031087c53e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067782
StatusPUBLIC

Content hashes

Canonical textc854e9ee3fe5c753f8900ac4f582b00b9bfb07e2ae323fcb049131ebd99bdc18
Markdown2cfa064fa948853e15becef463721e7c60121440f50ae91e4d5753f86c8bea9e
PDF
Publication page76c65b867a4aef89a3878ed3b219c01a5dc57e4699fcd926695d7fd32a46c69f
Manifest3b605f879d5f3500992cb43441125660faac5455b8bd26976fda1f4177ad8ff7

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
Signaturej2Ba5GOeqN6rwi1DaR6sd86L2JES9ghqV8t7b4qelRfZwfjIrv6h6aCYIo4Wyyok57zFO1aKUvxXjiwOUUTwCg==
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

2026-09-17T10:30:00.950368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067782
observed 76c65b867a4aef89a3878ed3b219c01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.932620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067782/manifest.json
observed 3b605f879d5f3500992cb43441125660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.913139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067782/publication.md
observed 2cfa064fa948853e15becef463721e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.895546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067782/publication.txt
observed c854e9ee3fe5c753f8900ac4f582b00b...
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.