OpenTechnical

OT-2026-000066328

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000066328) never changes.

Identity and time

Publication numberOT-2026-000066328 · never reused
Internal UUID01a0ae8e-8dc4-7e76-bc73-69221fd7feaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066328
StatusPUBLIC

Content hashes

Canonical text427a73293d1234d0ebc29d2f80d9f234f762d8088b6ecec93debbe6604b934f8
Markdown490c190bf2c206475fe7f57e2284f548f100563ca456fa8b06b78a01423a077f
PDF
Publication pagefb0be6b565b3f63d115d1ed9b3edb3e3695b0116e54ed2900e18e081713c7ebe
Manifestf93d9ac4b5925bc160477ae7d450b85eaf5f556f763355e8f41efecd7884bfb3

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
SignatureYv9g8r/+0vq+ilqLCG8snRcNyDFr+kmDCD81aiSdM1FN9wxbIysr47etYJsxnyKIV7dZyiNjqivR8eyq5XYSDw==
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

2026-09-17T10:33:29.766878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066328
observed fb0be6b565b3f63d115d1ed9b3edb3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.748851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066328/manifest.json
observed f93d9ac4b5925bc160477ae7d450b85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.724401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066328/publication.md
observed 490c190bf2c206475fe7f57e2284f548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.702205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066328/publication.txt
observed 427a73293d1234d0ebc29d2f80d9f234...
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.