OpenTechnical

OT-2026-000103142

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103142) never changes.

Identity and time

Publication numberOT-2026-000103142 · never reused
Internal UUID01a0aea4-be3e-7a29-8969-59bf06fb3ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103142
StatusPUBLIC

Content hashes

Canonical text2d0b5b8044eabd6117a079efa80b8989c8cafd2ff503273caee9b63f1746657b
Markdown36e8aea477c71a343f03ebcb77e75c28aa7a81bdcffccb13c91bd36045cebb88
PDF
Publication page369d2d51a1833459022184a49ca85031061a5c94e41cb7b00d0298c89d8676a0
Manifest97a568e90702754508215467b9fa6927fa2c895365275d0e9aec58dbba3029b7

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
SignatureaBu/3/wSVZFmExJOMpqPk0uQDEsyYrMGGHb5utB0R2uuNN7RzGn7H8dBnjrXNcxAzQtGJ87fZnngJAB8GH1XCw==
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

2026-09-17T09:23:21.007230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103142
observed 369d2d51a1833459022184a49ca85031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.989948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103142/manifest.json
observed 97a568e90702754508215467b9fa6927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.971346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103142/publication.md
observed 36e8aea477c71a343f03ebcb77e75c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.952673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103142/publication.txt
observed 2d0b5b8044eabd6117a079efa80b8989...
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.