OpenTechnical

OT-2026-000099331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000099331) never changes.

Identity and time

Publication numberOT-2026-000099331 · never reused
Internal UUID01a0aea2-8289-7b2e-94b2-ccd1edb3922d · 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-2026-000099331
StatusPUBLIC

Content hashes

Canonical text4f228a6c94c819c7cd109b2165b8677681edabcc8ee5f32c8da7d987b762e169
Markdown32bbe20a6fa2be9444ac5eada85d4a9f908c2c3a943f15a0290982d930c593d8
PDF
Publication pagea92401ad6fb666e4ee1cae0488f4e9bb0f47eaabccc7d8a254bd1a68153c7534
Manifest9cebd945a2b02b10a50946cd24ec8af646a2c37fc9f36a7f2e7ca1ce184dc077

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
SignatureoutXG7tQz75FB2FIOgxVq+gPqPzbQo9ye/KnunH5ho5q9vixCW8nvVwk6CjtI2uROpLJzTMrgeXf0n64Jb4hAA==
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

2026-09-17T09:30:48.131045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099331
observed a92401ad6fb666e4ee1cae0488f4e9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:48.112971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099331/manifest.json
observed 9cebd945a2b02b10a50946cd24ec8af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:48.093969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099331/publication.md
observed 32bbe20a6fa2be9444ac5eada85d4a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:48.076048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099331/publication.txt
observed 4f228a6c94c819c7cd109b2165b86776...
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.