OpenTechnical

OT-2026-000091774

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091774) never changes.

Identity and time

Publication numberOT-2026-000091774 · never reused
Internal UUID01a0ae9d-43b9-776c-8d10-f19adbbdb848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091774
StatusPUBLIC

Content hashes

Canonical text2df746cbe963b3dcb4da15c4636d4e0bb6c831227f1a0e20f2bab8e819e7535e
Markdowna7b742597c6fcdae8ae6557d0123c0caea56232a2dc58db869dd17b8910ab153
PDF
Publication page66b8a390dce53355db4933966680076c8565bb7afea6ca666fede44548c220b7
Manifest766a4034af8a983835fa0808f2b31570b9a0339fa2ca40b2ef6a674eba2880c5

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
Signaturex+RvcK1lLYLFGPP+Ahj5pJeU3Ldw94+jMZUneY7yqm1UOllRTWJ2Lb7Z4+uZfk7zhKKqP+fs9BK7gqpjLN1zBw==
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

2026-09-17T09:42:40.227438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091774
observed 66b8a390dce53355db4933966680076c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.211201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091774/manifest.json
observed 766a4034af8a983835fa0808f2b31570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.192950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091774/publication.md
observed a7b742597c6fcdae8ae6557d0123c0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.176414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091774/publication.txt
observed 2df746cbe963b3dcb4da15c4636d4e0b...
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.