OpenTechnical

OT-2026-000043513

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000043513) never changes.

Identity and time

Publication numberOT-2026-000043513 · never reused
Internal UUID01a0ae7b-92cf-732a-8f86-d9765d25f1ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043513
StatusPUBLIC

Content hashes

Canonical text6cfa9636cb948f95eba13cb5b6228dab641a02fba71daadec79f522d590dfaf8
Markdown8c26ef484f3ade418a633f3dd8c8c70f322277628c9f86c012714d6577d828ef
PDF
Publication pagebde719c3a8b6d3c7c23197f43e7f2cb24a14414b5e4a9122802291ea577556f3
Manifeste0b14ca32ee215a4a68b4ec761fef1f031d53b94f1ecae2032ae30e3bb6337b9

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
SignaturewK3V10K8al2WBmkJsS6RAdWHtYZAO/r00SaT4dTV+ZNxh25LGv4D3aZIcmEWiWJP/L7p8JnMXWzTtvFlTuzXAQ==
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

2026-09-17T11:12:53.094776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043513
observed bde719c3a8b6d3c7c23197f43e7f2cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.073545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043513/manifest.json
observed e0b14ca32ee215a4a68b4ec761fef1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.055950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043513/publication.md
observed 8c26ef484f3ade418a633f3dd8c8c70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.038094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043513/publication.txt
observed 6cfa9636cb948f95eba13cb5b6228dab...
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.