OpenTechnical

OT-2026-000004523

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, ejector fed, pressure verified

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-2026-000004523) never changes.

Identity and time

Publication numberOT-2026-000004523 · never reused
Internal UUID01a0a91a-cc52-77b4-93ef-5de577f99a83 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:00.887318Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004523
StatusPUBLIC

Content hashes

Canonical texta33b9a02bee733143327519db222cc4123245c42720135200b82aa6d75352f4b
Markdown39bca7173148cd59736a33397e494547c875ee8d15e5586545c5bdf557da2982
PDF
Publication page0dff4bd653490d32843b3524b0d87f52138c8c608488a2cec857c530923066b1
Manifesta2d41e1c5b2f036eea3d9866e637dce415b29085f63c0530375e071f46e5dc15

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
Signature4gjIajSYHgAFNg5+IwfamJ2xP2WAxXt9T/zlQ3Ko5HmzKJwPC6pbF5WdqlEYh9LpJ7ccWMMGm45TSmipiMPkDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:18.641191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004523
observed 0dff4bd653490d32843b3524b0d87f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.629170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004523/manifest.json
observed a2d41e1c5b2f036eea3d9866e637dce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.491186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004523/publication.md
observed 39bca7173148cd59736a33397e494547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.479172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004523/publication.txt
observed a33b9a02bee733143327519db222cc41...
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.