OpenTechnical

OT-2026-000045494

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000045494) never changes.

Identity and time

Publication numberOT-2026-000045494 · never reused
Internal UUID01a0ae7c-f76d-7923-a240-6fea1dcebd16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045494
StatusPUBLIC

Content hashes

Canonical text26e8bc93c398b4d95f597f2ebc5ebac7454fd031da8069f501fd6063d4e4756f
Markdowndb07c2481d150f57eb1a215a0fd9f1f0cc7cb3f35f16dd4ecad6a1c9309d44be
PDF
Publication page0ac93a99dd63e5affc7608416be286a4ea1ed1bb4fbcfe56d55777a2253a0e54
Manifestface0da5b7eba8c00b5ca16d04751eb482ff29deb2e0c0652ffb284ab047291d

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
SignatureaqMkOwYLxfBHP+78zqxWjuYxEHa/0LnFzZm8ISTgWQ3XamV6sXMW95ea+SyhRQD2ohn8tmbhv1VK6ZEkmYKKCw==
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

2026-09-17T11:11:18.642594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045494
observed 0ac93a99dd63e5affc7608416be286a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.625700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045494/manifest.json
observed face0da5b7eba8c00b5ca16d04751eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.608916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045494/publication.md
observed db07c2481d150f57eb1a215a0fd9f1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.590077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045494/publication.txt
observed 26e8bc93c398b4d95f597f2ebc5ebac7...
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.