OpenTechnical

OT-2026-000099520

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000099520) never changes.

Identity and time

Publication numberOT-2026-000099520 · never reused
Internal UUID01a0aea2-c974-7f2d-a686-c2f3c817fc79 · 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-2026-000099520
StatusPUBLIC

Content hashes

Canonical text271c11512fc2064b2423ce65e369f58e06ed1a71c88a5b69f7c8a735610770ad
Markdown1dca69fe21c243dacc128b3665b46858677191f3d482e85edd530fb377380bcf
PDF
Publication page53b7a4d6ef51166916fc04d0de3164ba0959faaacc3f4a8d7c3c4c3a07ddb4ca
Manifest55afaebfeb8e23e3c240faacefc0a562693523035f502f7da43b7467a68264fa

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
SignatureMvYgafnSGQxDM1ypa6hHNqHHNVhgoKWDxYjoL1T09x9JvoDGLTxUOOymOaYOUgtUhk3YEUn8HDpDk/EsuCTpCQ==
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

2026-09-17T09:29:25.142110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099520
observed 53b7a4d6ef51166916fc04d0de3164ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.123976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099520/manifest.json
observed 55afaebfeb8e23e3c240faacefc0a562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.105660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099520/publication.md
observed 1dca69fe21c243dacc128b3665b46858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.087312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099520/publication.txt
observed 271c11512fc2064b2423ce65e369f58e...
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.