OpenTechnical

OT-2026-000013400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000013400) never changes.

Identity and time

Publication numberOT-2026-000013400 · never reused
Internal UUID01a0ae6d-6fca-7348-9d6b-87f95125c59f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013400
StatusPUBLIC

Content hashes

Canonical text3b769a18f2c4e8a005c8a1cc00d806bd6c4180228203169993a025e11f24cd40
Markdown0a735180e06eae494cb196259bf6cdf55a61cd81ef550531b376b8e22f240bc0
PDF
Publication page022709e47d2147efd1595537e7167fb2301c1a56a5048220f01ec6ef684ffd3f
Manifest26cc4984d3f0c848dad559f2c72b70060add57e5044cf6dc735f376ae2807ecc

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
SignatureUO0Wq+I3buEXvuD/1yCcR543eXvQZ9RhwZ8/he/MTNVD0Vdy/gxkQHXlfVTR3sc5hddbiO6PGYpkIZqFAeT9DA==
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

2026-09-17T12:09:52.506181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013400
observed 022709e47d2147efd1595537e7167fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.487645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013400/manifest.json
observed 26cc4984d3f0c848dad559f2c72b7006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.469480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013400/publication.md
observed 0a735180e06eae494cb196259bf6cdf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.447253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013400/publication.txt
observed 3b769a18f2c4e8a005c8a1cc00d806bd...
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.