OpenTechnical

OT-2026-000047947

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000047947) never changes.

Identity and time

Publication numberOT-2026-000047947 · never reused
Internal UUID01a0ae7f-c422-75a1-a096-1070f3ab4e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047947
StatusPUBLIC

Content hashes

Canonical texte21015c2c2f1d8b5a1ad180d3ed5c471f96191fa87e72acb907dc17606991f6d
Markdownbc73305e65dabb55d40f7d1ce3a703c3940f14d04907da12ced5c3bc626583eb
PDF
Publication pagec1fdb9a57c79604ef2c92b66ab528599ac615034d6824f8d68489430e1635907
Manifest44bc57a33288670e314abf631082f68ad58506bdd92f04d8610d1d6cde32f657

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
SignaturegZ5Q69bKMaP6dVlJHofIg0KfxPFhUc4h56GcGh/8GHsSWaVH5Gh5Nf+wwfTkoIY5H61TdNBPv5P3zsodbi0FCg==
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

2026-09-17T11:05:54.912640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047947
observed c1fdb9a57c79604ef2c92b66ab528599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.893015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047947/manifest.json
observed 44bc57a33288670e314abf631082f68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.872596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047947/publication.md
observed bc73305e65dabb55d40f7d1ce3a703c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.852890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047947/publication.txt
observed e21015c2c2f1d8b5a1ad180d3ed5c471...
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.