OpenTechnical

OT-2026-000029186

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000029186) never changes.

Identity and time

Publication numberOT-2026-000029186 · never reused
Internal UUID01a0ae73-2aa0-7f08-aad3-edeb4ba77f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029186
StatusPUBLIC

Content hashes

Canonical text497baddbaccbae4c97bc5f973b7430e67fd7bab6c0a69520faeb33d9aa84ab80
Markdownc697cfca012b93de6907708452573e9ca2825aa2c0ea426c4b7da408c3112885
PDF
Publication page3efe1580fbaa8a1dc22fad16eb10914dd0d09042c1eee2ed3f314fa6e1b646b0
Manifest02d80fa1fe970006032c46928a6245288778149a65b2f037fd710b9e87bd4846

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
SignaturepE9909GhHjIKtrZbuGPJvP1FpSSmHOsQ6i0goCo625cJjxEdV+sdnKAQoqIzlC1nWEubxo05yM2bSdr83kbGCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:41.274699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029186
observed 3efe1580fbaa8a1dc22fad16eb10914d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.258302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029186/manifest.json
observed 02d80fa1fe970006032c46928a624528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.238516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029186/publication.md
observed c697cfca012b93de6907708452573e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.218257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029186/publication.txt
observed 497baddbaccbae4c97bc5f973b7430e6...
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.