OpenTechnical

OT-2026-000100241

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100241) never changes.

Identity and time

Publication numberOT-2026-000100241 · never reused
Internal UUID01a0aea3-3053-73c5-a68a-1ea4af952435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100241
StatusPUBLIC

Content hashes

Canonical textace968558c4b5ddcbc8c7e7b245480d18885083d088284e7bb4dc192d4c54535
Markdown2c1d5b795dda75556bd68ac84205bb1609bb3ad657f93a5c7b131038e1e85fd4
PDF
Publication page9776588aaa779a034a611dd4bc1158c7691faf5fc785daac419fde62e293d5ef
Manifestb56335507d93fbce40786ef1522ab733e8706fa2b6243a68baffdc029f813a0e

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
SignatureJKqi7UnF5G4dzLU0JFxHnmXBXqzwMmwNHQzHYbezkZxO7aWjgVDHnr/COYmmBnvVtN+vt9BcEq3uLKYsJ5awCg==
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

2026-09-17T09:28:02.449855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100241
observed 9776588aaa779a034a611dd4bc1158c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.427273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100241/manifest.json
observed b56335507d93fbce40786ef1522ab733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.406475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100241/publication.md
observed 2c1d5b795dda75556bd68ac84205bb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.387081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100241/publication.txt
observed ace968558c4b5ddcbc8c7e7b245480d1...
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.