OpenTechnical

OT-2026-000015331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed 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-2026-000015331) never changes.

Identity and time

Publication numberOT-2026-000015331 · never reused
Internal UUID01a0ae6d-ef49-7a50-bb2c-6a92e83e81a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015331
StatusPUBLIC

Content hashes

Canonical textc8ae1f890a82434a62da355d619dc55e4c02a42b9487d01144dafa8b0cd22c49
Markdown012f0b502d1b8739952fd4e33463238b2276935f58047cb99cfa8b71e5eb6164
PDF
Publication page73bbd9aab196921bd520d5944fea345694ca33ddaa0096705c10ebc91c611af6
Manifest0863554f3ea887973f259f00d65aa1df92ebb6b63592f6d505fafe47f68f3ad0

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
SignatureWKa9dkRV2iX+oUolSpM7sonWgoyvJrBt1uqXKXeIIxKVAya4Vj8aIEyJlceIFhyv8O8yemEnazAKvp2tHL+nDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:01.852170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015331
observed 73bbd9aab196921bd520d5944fea3456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.830777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015331/manifest.json
observed 0863554f3ea887973f259f00d65aa1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.812019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015331/publication.md
observed 012f0b502d1b8739952fd4e33463238b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.792959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015331/publication.txt
observed c8ae1f890a82434a62da355d619dc55e...
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.