OpenTechnical

OT-2026-000097534

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000097534) never changes.

Identity and time

Publication numberOT-2026-000097534 · never reused
Internal UUID01a0aea1-55b4-7b72-b222-0b805df6d3f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097534
StatusPUBLIC

Content hashes

Canonical textd9eb7da2ae7907f640f89a163ec0e559d678243420b247723bc7698f6108e36f
Markdownd18d8c6fa5c9e9c947364ba66b6e5c17d861288616c7d0982b8853b692b06eec
PDF
Publication page5b40725f6fddafd5a187abcbaa5dc761de5f3339775cb5b93fa7bd2b79b10e09
Manifest111eef9dc9ea41a6b4a7009ba82d7ab62610d39d8cab23ca57aa2e279c74b39a

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
SignatureBIkZSj/8iI2VR+4fqZGwM0Mwx6ZfVTNn3oAE1vyD4rSjWjV7ut/mjEhmFbvIQXlimK49eg5Rxl2RigyrBfNhDA==
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

2026-09-17T09:33:24.624994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097534
observed 5b40725f6fddafd5a187abcbaa5dc761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.607356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097534/manifest.json
observed 111eef9dc9ea41a6b4a7009ba82d7ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.589186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097534/publication.md
observed d18d8c6fa5c9e9c947364ba66b6e5c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.571824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097534/publication.txt
observed d9eb7da2ae7907f640f89a163ec0e559...
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.