OpenTechnical

OT-2026-000099615

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099615) never changes.

Identity and time

Publication numberOT-2026-000099615 · never reused
Internal UUID01a0aea2-c975-7a9a-b870-a36a6637686d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099615
StatusPUBLIC

Content hashes

Canonical text6449017439b9ee708884f46e2c6462f1507a7955f7e6d6af3db3fa5aaff4fc78
Markdown613b0a296678c8f151969d547256b1003ebb01c6d77586f169a3b98275eefa06
PDF
Publication pagec7abc4657fd517d6f124d85bbba7451546ab2ca599f273e753452ba0037fd983
Manifesta210fb5cb2a00b75b27eb94d2dee0e9a03f139ff4d6410468bbe38d7be2d331d

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
Signature1zjmQrB7Iaf6c17p8cHyOIPnBVnC2CnhgPhx7I/zgqDAaW4RplkKDOuW/+81jktteG+HVnbMHVHUSRtUQWmlDw==
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

2026-09-17T09:29:32.717112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099615
observed c7abc4657fd517d6f124d85bbba74515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.699995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099615/manifest.json
observed a210fb5cb2a00b75b27eb94d2dee0e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.684528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099615/publication.md
observed 613b0a296678c8f151969d547256b100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.668605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099615/publication.txt
observed 6449017439b9ee708884f46e2c6462f1...
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.