OpenTechnical

OT-2026-000032617

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000032617) never changes.

Identity and time

Publication numberOT-2026-000032617 · never reused
Internal UUID01a0ae75-1070-7585-b6c7-0f02943990d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032617
StatusPUBLIC

Content hashes

Canonical text763debbd4908430c959cdc72aa7005c780d9b361e34fcde4c037befbf8825d65
Markdownd9ea9ab5e2117328f5f077e0c8c7fca1b9722d5b57b0be45b9a41abbdcc398b6
PDF
Publication page761fe1d71134f2f032631a0ef6c42ce138e19dc54a8c264d195a55d7f0fc3995
Manifestae874b05029385233a3323c283a13bb56ff2bf07d9a8288999995d1573f65420

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
Signature6C4oOfQa4S8qBf4UOHwfwDqCCskJ01uo1TM0IhJ+XR+qxDkkxqtpJLnO50uXn5sj9k5EGxZY8RWl9KmGx3K9CA==
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

2026-09-17T11:34:12.162810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032617
observed 761fe1d71134f2f032631a0ef6c42ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.146092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032617/manifest.json
observed ae874b05029385233a3323c283a13bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.127147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032617/publication.md
observed d9ea9ab5e2117328f5f077e0c8c7fca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.109267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032617/publication.txt
observed 763debbd4908430c959cdc72aa7005c7...
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.