OpenTechnical

OT-2026-000098941

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098941) never changes.

Identity and time

Publication numberOT-2026-000098941 · never reused
Internal UUID01a0aea2-8286-701b-82be-66c883dc8424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098941
StatusPUBLIC

Content hashes

Canonical text7bd889a5bcbb5ef6acf321c2de306262f271dd9959eb3f9eaa76f2380a894641
Markdown8563d17eb4edf6ab90a3108f1a7130bae3d5168409ba51145ff07155949d14bb
PDF
Publication page35d1ad718e29618f9cc8fa72e1b51243ff2f2965bd2cc965f10c5befffe113f0
Manifestc819464b44b58e1e3f38b9e9c01704a0e0b8de41ab9db0b79eabe868698623ad

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
SignatureFgJEWRBoCsChujJk9pgCWVlWQ1LAU9LdBZ6RYfJZwVj+M91J3cucQt5QGjHQIrd81OWy0vg/PECj4ATzHDTUCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:00.531659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098941
observed 35d1ad718e29618f9cc8fa72e1b51243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.514731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098941/manifest.json
observed c819464b44b58e1e3f38b9e9c01704a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.497215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098941/publication.md
observed 8563d17eb4edf6ab90a3108f1a7130ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.478779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098941/publication.txt
observed 7bd889a5bcbb5ef6acf321c2de306262...
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.