OpenTechnical

OT-2026-000048542

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line 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-2026-000048542) never changes.

Identity and time

Publication numberOT-2026-000048542 · never reused
Internal UUID01a0ae80-4de7-7c85-a091-0ea75bdce619 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048542
StatusPUBLIC

Content hashes

Canonical texta70739e62217b521ab2094a0be849ca280fd7308718e160cd7be02b4fdf6b057
Markdown82f3c471b6238d43cf1dbb8c616d5dc1ccc20dd88abf4a7fb0137f7b499772f2
PDF
Publication page0c3134434974f82ea4e901a8f9db0eaf610bb5af3b741e36f2e02ce799a70813
Manifest7ef6990a33022f11443e76d6ee0a924bd632514da53319633ea74acfe31148b1

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
SignaturesyTvGqEZp4FukMFx6epsJ0IsN1a/lSl22Pi9siy3Xxf1E03ahSix54KZYfZI2ejIr1tauyEym2hB+qVXWEEDAg==
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

2026-09-17T11:05:20.041420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048542
observed 0c3134434974f82ea4e901a8f9db0eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.023351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048542/manifest.json
observed 7ef6990a33022f11443e76d6ee0a924b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.003965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048542/publication.md
observed 82f3c471b6238d43cf1dbb8c616d5dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.986319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048542/publication.txt
observed a70739e62217b521ab2094a0be849ca2...
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.