OpenTechnical

OT-2026-000020572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000020572) never changes.

Identity and time

Publication numberOT-2026-000020572 · never reused
Internal UUID01a0ae6f-437c-7d26-a933-1dbe7164126c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020572
StatusPUBLIC

Content hashes

Canonical texte4ecc6217cb1e9cf231a64d13f55c843e0a878abecaced1daafa8c6cfbce0380
Markdown4d39cea56bdf1501533090dcdd41d74f1ce1774cdb74ada251304dcc635c71e5
PDF
Publication page50d0c24c2ea9cd2e0399d8c44fb293b7b07876ffbdfe9a69fe25d3f30c00c3cd
Manifest456e9d113a8b8b9cebadc8bf666f0286cf12f5a9ad0f3807ead023a8520a654e

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
SignaturedUUYU3U+lQhULco1xEhnlbdDv5FmT+DkANZYVwYJFcBs0IdfK0GceSuLVRW5cscUqAQEGVftZEqghyMlVeT+Ag==
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

2026-09-17T12:00:41.661273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572
observed 50d0c24c2ea9cd2e0399d8c44fb293b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.641494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/manifest.json
observed 456e9d113a8b8b9cebadc8bf666f0286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.622362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/publication.md
observed 4d39cea56bdf1501533090dcdd41d74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.603296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/publication.txt
observed e4ecc6217cb1e9cf231a64d13f55c843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.404961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572
observed 50d0c24c2ea9cd2e0399d8c44fb293b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.388091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/manifest.json
observed 456e9d113a8b8b9cebadc8bf666f0286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.370792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/publication.md
observed 4d39cea56bdf1501533090dcdd41d74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.353149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020572/publication.txt
observed e4ecc6217cb1e9cf231a64d13f55c843...
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.