OpenTechnical

OT-2026-000066632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066632) never changes.

Identity and time

Publication numberOT-2026-000066632 · never reused
Internal UUID01a0ae8e-ce41-7f2a-b2f2-6e435146fe31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066632
StatusPUBLIC

Content hashes

Canonical textec3a53bea8be423cef304406a81324156f1bd1244e3749c3d65918c7388032c4
Markdown56d338da2041e4c60bdd05a4277ebfe25edebe8a9d907ac3d0d83139516ca39f
PDF
Publication page71cd4bd24a5425d34c7d9701a94dbf66ea5c34620735496eff3cc109728b85d7
Manifesteef7bfef6c4a3aa17dee1993e918806db7bf6ea255d841768d1f7d4e570e7e51

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
SignatureEP1/XhObO8xmeJgoDKMSvlpin20n7vWc8pXJsXh5PQAgr3HlvcxE8kBHn6sjvNX1RblAlrbdj2hYb8qhFQBjBA==
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

2026-09-17T10:33:00.684207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066632
observed 71cd4bd24a5425d34c7d9701a94dbf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.666483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066632/manifest.json
observed eef7bfef6c4a3aa17dee1993e918806d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.648879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066632/publication.md
observed 56d338da2041e4c60bdd05a4277ebfe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.631734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066632/publication.txt
observed ec3a53bea8be423cef304406a8132415...
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.