OpenTechnical

OT-2026-000097035

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line 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-2026-000097035) never changes.

Identity and time

Publication numberOT-2026-000097035 · never reused
Internal UUID01a0aea1-01c9-76fb-b3fb-7017b0dd2647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097035
StatusPUBLIC

Content hashes

Canonical text278f865715990a04c66f7cac12108ee97ce787cb5a62f7da38a48aa2108d45e0
Markdowne472d2e2ffaeb4ef29e7230b8ccf61dbb464cf3234d8fb4feeb31a9c22a6f621
PDF
Publication pagec689bc3529b19d8e22cdaf1fb345dacc18b9084597b97a7e5acd7186eeb007a9
Manifest8742583f0a6eda52b64a6e7a7df9df4ded722ba7cf53fba2b4d44caab6f74c6d

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
SignaturewnIpFJ1N5QBOzOTN/WKyzYqbxTJ1kDrodH8u6ggM1aP8QrmEnAJKYNUhxfKs5gNiN+hQdF842TxaAYQH5VfLDA==
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

2026-09-17T09:10:33.150795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097035
observed c689bc3529b19d8e22cdaf1fb345dacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.133232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097035/manifest.json
observed 8742583f0a6eda52b64a6e7a7df9df4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.111681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097035/publication.md
observed e472d2e2ffaeb4ef29e7230b8ccf61db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.091613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097035/publication.txt
observed 278f865715990a04c66f7cac12108ee9...
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.