OpenTechnical

OT-2026-000099491

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000099491) never changes.

Identity and time

Publication numberOT-2026-000099491 · never reused
Internal UUID01a0aea2-c974-75c2-a02a-1ab2160f8cce · 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-2026-000099491
StatusPUBLIC

Content hashes

Canonical text220ffa5e7400b7d7c1547730e204cfa1c361a84f91ea4daa2d4de87c05951cec
Markdown5d65cd0788e27d36d728e7a27bccc0c2d4531d1dffc22f5c8efc6481516d0791
PDF
Publication page966f932dc89512ecd498fb77cd36e8d748a4ac5c5e02162cd9cbe3315f93c9c5
Manifest795c76503673cff1515046834f1d1993842e520755f7ffe496ce0281c4e660e4

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
SignatureM1Q11DX4ymMaCabNiJ1cMoMbwJIINb6lKjwE+NVrwD8gNW8E/7B8YU59AdLcTH4rv2I2Z8AAytVeGuD92jFtBA==
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

2026-09-17T09:29:22.988061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099491
observed 966f932dc89512ecd498fb77cd36e8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.967681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099491/manifest.json
observed 795c76503673cff1515046834f1d1993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.947726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099491/publication.md
observed 5d65cd0788e27d36d728e7a27bccc0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.926316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099491/publication.txt
observed 220ffa5e7400b7d7c1547730e204cfa1...
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.