OpenTechnical

OT-2026-000097787

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000097787) never changes.

Identity and time

Publication numberOT-2026-000097787 · never reused
Internal UUID01a0aea1-92f6-7ed6-b92c-dee78a84b9a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097787
StatusPUBLIC

Content hashes

Canonical textb5acf7273ceb359e408179c2e646c32a0224d17b27964f978a92cf27c482e3c1
Markdowndccb4caf68969caa162c6bb6c875d4366191b5a6df085e3bb4757c0d70340c00
PDF
Publication page764dcf7ec519dd954c9fae5fac55ee790ec0bac1b50a8738077e83d1e30d160e
Manifest92a94d67b6cf58f18ebd3b44cde92803815e31c63e153cfb124f686b119a9083

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
SignatureqRa5EU3XIHy8FmLeq3O+OjVzHTVgd+PscyO7MNvikf2EKB38JrLmAdfzSdLzIi3MWZyY68UrxeCJOhxG1XscBw==
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

2026-09-17T09:32:52.053623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097787
observed 764dcf7ec519dd954c9fae5fac55ee79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.031973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097787/manifest.json
observed 92a94d67b6cf58f18ebd3b44cde92803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.011686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097787/publication.md
observed dccb4caf68969caa162c6bb6c875d436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:51.993477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097787/publication.txt
observed b5acf7273ceb359e408179c2e646c32a...
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.