OpenTechnical

OT-2026-000027660

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000027660) never changes.

Identity and time

Publication numberOT-2026-000027660 · never reused
Internal UUID01a0ae72-6999-73e9-8ebc-c7937ca9bc5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027660
StatusPUBLIC

Content hashes

Canonical textc3d04ecef694d909e1c0b93a6a1b79d6c0c9351e0fc8e3eea6310e8336fb6582
Markdownff273aad13b26cfc8f683e15b12cdbfd91c811e0473fa03db1906ebf28367606
PDF
Publication page6cb03e16b71db4c61c8784ac31c634a9513c3d94db116824779e3150b0f84f98
Manifestb635af7f1f1b0b744e1ca723edd54f2f3646c2105ccd2f8b423745dab05fdb93

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
SignatureAKIAfvjQudeut5jiUxNpEiZqoiE3nLqUQbjah35EcExb8kBMzkoDe+hwWy+in5naUZRR8f72h75Y+g+QX+iwCw==
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

2026-09-17T11:43:11.514369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027660
observed 6cb03e16b71db4c61c8784ac31c634a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.494100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027660/manifest.json
observed b635af7f1f1b0b744e1ca723edd54f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.475128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027660/publication.md
observed ff273aad13b26cfc8f683e15b12cdbfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.444761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027660/publication.txt
observed c3d04ecef694d909e1c0b93a6a1b79d6...
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.