OpenTechnical

OT-2026-000048323

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000048323) never changes.

Identity and time

Publication numberOT-2026-000048323 · never reused
Internal UUID01a0ae80-4de4-7f51-b713-6538a393bffe · 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-2026-000048323
StatusPUBLIC

Content hashes

Canonical text847ab0ebec1658564729f0bae6c2470648650ce55e41a92132ed94755e3ed4ef
Markdown316b49fcc80c2dac1ae3c02081dab60f30465744ee2f3b3facf98a6f7a33be00
PDF
Publication pagee9056a6d22b9691bf42bcee4595708fdbb1f11304a72f64cb22c279ba73c395e
Manifestbd881b263812ad312d8c9a5defad523b623f4aee8f385c970ed49394e4c127d0

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
Signatures4kBGVzYo9PMNcsrA0HElQRBqsgN1ykTx+TIA0pq7HKXybQQJKAulcEoTl9spHa6q6gj+dInQPH1UXBadlHtAQ==
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

2026-09-17T11:04:55.539538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048323
observed e9056a6d22b9691bf42bcee4595708fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.520972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048323/manifest.json
observed bd881b263812ad312d8c9a5defad523b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.503027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048323/publication.md
observed 316b49fcc80c2dac1ae3c02081dab60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.482142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048323/publication.txt
observed 847ab0ebec1658564729f0bae6c24706...
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.