OpenTechnical

OT-2026-000020796

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000020796) never changes.

Identity and time

Publication numberOT-2026-000020796 · never reused
Internal UUID01a0ae6f-65e3-7b60-9a4b-303230114852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020796
StatusPUBLIC

Content hashes

Canonical text901e181a4036be3051c18ff32338c0eec70a4616d2ff7cbe89a014b3136a942b
Markdown9f21068e1cba6ace41a7c06d8d3f79f04ad95c5fa0505e45b59780ba3b523b95
PDF
Publication page58a76a102793e279f8490798051ab16e8d02093eda0d59e7974f71c6c68b1c8a
Manifest67b299b24c4191611c66507d867ab9442f55b08e3f102d4e1c2243fbe47dccf3

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
SignatureM7evBW5u8LqmmlStxdvusq+mWLf00C9TYmbi1kiGf6OKNhTt0KnfhSU6Tx2rDrWvdeC/+53OY+7E6y8B3J38AQ==
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

2026-09-17T11:55:52.499553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020796
observed 58a76a102793e279f8490798051ab16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.481181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020796/manifest.json
observed 67b299b24c4191611c66507d867ab944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.429253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020796/publication.md
observed 9f21068e1cba6ace41a7c06d8d3f79f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.382925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020796/publication.txt
observed 901e181a4036be3051c18ff32338c0ee...
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.