OpenTechnical

OT-2026-000099642

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099642) never changes.

Identity and time

Publication numberOT-2026-000099642 · never reused
Internal UUID01a0aea2-c976-712a-a6e9-15ef3f7a70be · 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-2026-000099642
StatusPUBLIC

Content hashes

Canonical text5a8bf1a029b217d204e0b47ba4925d6315416ffd7f5b0ad8544157f444092568
Markdown0608e966ce1c23e430e4270b64b49e0ea82cfb0a7911ec2d52bc888897365ed6
PDF
Publication page619e0e6659a7b2f0273cc493ea54ac39c6fe9f66e3e6878f2f7923dba1c164f2
Manifestbbaa8fab2ffd77555a838c7810aa1de5fbb6078b644ce05a6cbb64f479309ea9

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
SignatureOafh7L4J3gf/1vKzgDgt5Aoo9xFZQh7gTP2AxOdCicBVsoqr2ZlLjOyiM2yNKEXU+3iTsnZDpYsBw7VEaXMTCw==
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

2026-09-17T09:29:34.842261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099642
observed 619e0e6659a7b2f0273cc493ea54ac39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.823972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099642/manifest.json
observed bbaa8fab2ffd77555a838c7810aa1de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.806800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099642/publication.md
observed 0608e966ce1c23e430e4270b64b49e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.789827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099642/publication.txt
observed 5a8bf1a029b217d204e0b47ba4925d63...
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.