OpenTechnical

OT-2026-000007283

Publication integrity record

Vacuum cup gripper, two zone face, three stage ejector, sustained blow off before 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-2026-000007283) never changes.

Identity and time

Publication numberOT-2026-000007283 · never reused
Internal UUID01a0a979-3e12-7b8d-9751-8e3b140dda93 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:10.390544Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007283
StatusPUBLIC

Content hashes

Canonical textcfe07a5b4c7d0faba901edf3e8807af11f2ea5d71ae1a838c643175d512440f9
Markdown178281f23c5358f1254b6f794f06b20cb5582e0ecd974d747d316a5c46f733a6
PDF
Publication pagef38b79c5f8bbe0455c915d9888c91a5bac07a9e1d023a4ed3ca6011e53e17d19
Manifestab54bf1cee50f2d89b43072bb6b7a6a40224c82056920c13f82a4ae0953b0a00

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
SignaturecAYaJgscJ+zBCIXFwo6MiCiyNenOsjHki99d/FBea23YJ6Q+HmjomO3KFYIUOOeotlz5EzRk5mb5DJxqjOrICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.138406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007283
observed f38b79c5f8bbe0455c915d9888c91a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.001966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007283/manifest.json
observed ab54bf1cee50f2d89b43072bb6b7a6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.989179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007283/publication.md
observed 178281f23c5358f1254b6f794f06b20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.977608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007283/publication.txt
observed cfe07a5b4c7d0faba901edf3e8807af1...
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.