OpenTechnical

OT-2026-000007303

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, ejector fed, contact triggered, rubber cups

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-2026-000007303) never changes.

Identity and time

Publication numberOT-2026-000007303 · never reused
Internal UUID01a0a979-f3c6-7707-a532-b7cc09f71f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:56.904633Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007303
StatusPUBLIC

Content hashes

Canonical textac14fd05d1206bd4925f02397cc5aa68b0bae404c7079b60d247b2554e356051
Markdowna59144fee78e872b4184f52ef8cf5de5faa4f23ab8a314669d465a7cb944a156
PDF
Publication page8d7d484753680323971bb01f8ba29a7ef7750684644485b7407286fc636b0ce1
Manifest2cb40f9b3485c41401a41964ad87a08be9a7ed60d223f4a310b463bfabc983e8

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
SignatureNP9tZ1kcU/TWUvKvLdIS/0englOWlIjHvRGmWeUPlN9qT4Dk/pZqzhmakAnKleEycb434TRiDZJkMQ2w06R8Cw==
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

2026-09-16T09:10:05.954983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007303
observed 8d7d484753680323971bb01f8ba29a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.942495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007303/manifest.json
observed 2cb40f9b3485c41401a41964ad87a08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.930950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007303/publication.md
observed a59144fee78e872b4184f52ef8cf5de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.918826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007303/publication.txt
observed ac14fd05d1206bd4925f02397cc5aa68...
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.