OpenTechnical

OT-2026-000022936

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000022936) never changes.

Identity and time

Publication numberOT-2026-000022936 · never reused
Internal UUID01a0ae70-46eb-7ff9-b474-047f0ff5a48e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022936
StatusPUBLIC

Content hashes

Canonical text46435439bd3c08e144278955765117467e472ce6f66851f1be6126bd594b51ee
Markdownb79aba31e6c99b38e5c3d339660bf7372b20a764cee8524b0aaca5b669a28956
PDF
Publication page57c6717205b2131faa2860ea7bb4de3de6dcbb2328d41d6dfe7cb322134dd07d
Manifestcc8b0e0ffaeb97073f55ce2313ab574dd2dae96e0b5a660c26ccea60c0b99982

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
Signatureitk+g0k0Qm73LZuK5QcN282Iyk48qVRRW0aBw2CKF/GYHaq1BwtP2kG7HLyIIPII51ttBGC9tIwKDisM/jNkCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:52:31.006159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022936
observed 57c6717205b2131faa2860ea7bb4de3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.988991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022936/manifest.json
observed cc8b0e0ffaeb97073f55ce2313ab574d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.971269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022936/publication.md
observed b79aba31e6c99b38e5c3d339660bf737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.952384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022936/publication.txt
observed 46435439bd3c08e14427895576511746...
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.