OpenTechnical

OT-2026-000074387

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074387) never changes.

Identity and time

Publication numberOT-2026-000074387 · never reused
Internal UUID01a0ae93-7179-7838-8928-516f2039fc67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074387
StatusPUBLIC

Content hashes

Canonical textcb02386d298318188e4dcf337b5d2587862470bc0239c0a6a6685d8998004e0c
Markdown94085a7a236b4e02745c5860727f32f423232cd1e55f91c8de780c2aeb22c173
PDF
Publication page6ab4272c83e89326ba60f6615e3fcff5046842a2f963a2f132daab820f21eaea
Manifestaa2d6f9f4d4dc46d1669ad11fad19d71e0787f8d5112cb763aefcf87c570add6

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
SignatureWNshYFD8o4uQUewDHgW+x8KXyQhqIJH7whp5NsIaVnSYBcS1TiAzTT+642uIuaWsG8Rg3xZ+t9iMZhQW/Q45Dg==
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

2026-09-17T10:19:19.340758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074387
observed 6ab4272c83e89326ba60f6615e3fcff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.322351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074387/manifest.json
observed aa2d6f9f4d4dc46d1669ad11fad19d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.306457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074387/publication.md
observed 94085a7a236b4e02745c5860727f32f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.289282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074387/publication.txt
observed cb02386d298318188e4dcf337b5d2587...
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.