OpenTechnical

OT-2026-000099189

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000099189) never changes.

Identity and time

Publication numberOT-2026-000099189 · never reused
Internal UUID01a0aea2-8288-7f86-88e5-bd4f2e5a92f3 · 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-2026-000099189
StatusPUBLIC

Content hashes

Canonical text84b7f431cc308d9be0b681fabf09dd7207340502f420ec9f1af063fa892ddfc0
Markdowne5e9d72cbf39d8a32d92316c95118aebaf292ec6d6d8088a46acb43e52f77454
PDF
Publication page5f528a04e754fc35db1a0c9f4f8f6649ab006c5a0b6c25a7be28941a198899b7
Manifest1ffa9b27e0ac8dda378948b712dee19f85610113be4090e3a630c8d0e8b8dbe3

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
SignaturehWSEGV2MTh5RiQZziuHPyvgH409/RV7tyHfEzGRbnx+QzHHzJVn8gkUa50N5k7u1H1aYApdLnlRkS0ChAqeJDg==
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

2026-09-17T09:30:34.680268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099189
observed 5f528a04e754fc35db1a0c9f4f8f6649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.661956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099189/manifest.json
observed 1ffa9b27e0ac8dda378948b712dee19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.642652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099189/publication.md
observed e5e9d72cbf39d8a32d92316c95118aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.624653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099189/publication.txt
observed 84b7f431cc308d9be0b681fabf09dd72...
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.