OpenTechnical

OT-2026-000099797

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099797) never changes.

Identity and time

Publication numberOT-2026-000099797 · never reused
Internal UUID01a0aea2-c978-7d41-b399-2876fc2ace21 · 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-2026-000099797
StatusPUBLIC

Content hashes

Canonical text5c9eef5402b16eb5eaa929d9ecc70ea3ee7ebab2aff83d0aac79754645d97ec6
Markdownd33851428bd2a0a8d382731c9dc2745a1f063a45972c6e8adfdf4823383f29a4
PDF
Publication pageae757bc12a4ea4fc6c6d79a4241a586ddf847029091867b44dcd3c83701507f6
Manifest5b04863d696fbc2b865fcd5959a81be48f4baa4c7d0fa798c821abf698bc8ee9

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
SignatureMOLfGGedWLa0knFzRwFwO1qcZ2zgUMYNu0SL5I8CPawB0BgxXxw0M0j5l5kD6/T062x9OJ3T+mEuENQdHk7iAg==
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

2026-09-17T09:29:50.058692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099797
observed ae757bc12a4ea4fc6c6d79a4241a586d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.044070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099797/manifest.json
observed 5b04863d696fbc2b865fcd5959a81be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.028494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099797/publication.md
observed d33851428bd2a0a8d382731c9dc2745a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.011101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099797/publication.txt
observed 5c9eef5402b16eb5eaa929d9ecc70ea3...
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.