OpenTechnical

OT-2026-000067909

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067909) never changes.

Identity and time

Publication numberOT-2026-000067909 · never reused
Internal UUID01a0ae8f-c4fc-764a-8834-3e0069f13128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067909
StatusPUBLIC

Content hashes

Canonical textc25568b1835e2c6880ee6d95ac9908098ef2c193305fb147eb028ab0991970bf
Markdown0e5798549501e4864887a0102763410948210c13a51482e6b13c6a370598d580
PDF
Publication page8bd72ec93ec4a6f18cbf9f0b0b2fa0dc7a512d0dd09ccc7e9d85ba8e4fa9ef27
Manifest695d46f92077b041a7c83fcf299f2096a9175c765e00db21856054103c597fc2

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
SignaturetDJd9/8aApyL8ZeB+/ujSnGUNHL+rXFMWLaMQMrZY6NP1GqfEYwF7kZG14hLPCwMpQePdwJBxdc5xaxsabsjAw==
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

2026-09-17T10:30:18.740011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067909
observed 8bd72ec93ec4a6f18cbf9f0b0b2fa0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.722009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067909/manifest.json
observed 695d46f92077b041a7c83fcf299f2096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.704513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067909/publication.md
observed 0e5798549501e4864887a01027634109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.685798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067909/publication.txt
observed c25568b1835e2c6880ee6d95ac990809...
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.