OpenTechnical

OT-2026-000056968

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000056968) never changes.

Identity and time

Publication numberOT-2026-000056968 · never reused
Internal UUID01a0ae87-7af9-78e4-ab8b-f992857003c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056968
StatusPUBLIC

Content hashes

Canonical text5432378aafeba6ace3a39dfb4bb53294da92c0464b9f532998549766e1a4a890
Markdown191d0e81cf4c376083057ac00ba0048efcbba9261892ecc5a3e8da8fd8a31ff7
PDF
Publication page2382d708744f0c71a2556ec2ef83bf1b89b42d7994c1d48ac13b8c79d0fb9b94
Manifestdfe20ceac578a3d26c9b8d95db7c1ae617aa5bac6f84ce452ad540f2a43b7ea2

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
SignaturecAV9oCA5/vmV8nRAhw7btaIK/8QQowK8mxmr4qGwHfvNKdueJaXFesyI/bZmNvoW28WEmT5IiKI5MwQMkoZQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:31.122242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056968
observed 2382d708744f0c71a2556ec2ef83bf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.106026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056968/manifest.json
observed dfe20ceac578a3d26c9b8d95db7c1ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.087803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056968/publication.md
observed 191d0e81cf4c376083057ac00ba0048e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.071847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056968/publication.txt
observed 5432378aafeba6ace3a39dfb4bb53294...
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.