OpenTechnical

OT-2026-000097171

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000097171) never changes.

Identity and time

Publication numberOT-2026-000097171 · never reused
Internal UUID01a0aea1-01ca-7509-8588-197fe087a008 · 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-2026-000097171
StatusPUBLIC

Content hashes

Canonical textc3038f51c165d6ae07072d1437c7480f6e2c7f2bc8f9f3db5ec7e99123c77b1e
Markdown9d239bc889d1dc5a00ba79a5cab3ce16d8bde64e4e13032825e3873ba1e123ee
PDF
Publication page8bd5336edebd7a1d429db4514a65fc187c0f4bb70e09f890dfcade73fac7af6a
Manifest08a48cd32f01fd56e161a55e1257757c98d0fe8601851a7542283ea19327a16f

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
Signature8xn1XiedzqrPVG9CSuhBuDoyhCf0d8wUkTaQYpdN8wZV47v0PZJQd0eVcGkXmEIYI0Gttc6/pmA8+qrXRbQvCQ==
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

2026-09-17T09:11:00.926605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097171
observed 8bd5336edebd7a1d429db4514a65fc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:00.908140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097171/manifest.json
observed 08a48cd32f01fd56e161a55e1257757c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:00.888141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097171/publication.md
observed 9d239bc889d1dc5a00ba79a5cab3ce16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:00.868920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097171/publication.txt
observed c3038f51c165d6ae07072d1437c7480f...
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.