OpenTechnical

OT-2026-000086482

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000086482) never changes.

Identity and time

Publication numberOT-2026-000086482 · never reused
Internal UUID01a0ae9a-2c97-74b4-8237-64478bafaf26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086482
StatusPUBLIC

Content hashes

Canonical text20da72f84bc150b5826ad3874c2a72e20cc103a766354f81d8b260652be088fe
Markdownb0cc9922d2ee867886f1169b416934ac919061661ecd0c61a403c8b13add4094
PDF
Publication page4a24f9959f06876984f5a89d900f177efff2dd308b50bbc5d1f19da7b2f1cd00
Manifest717913b06ab1101cfb19eaead222c20333108a940d8b0b760696a2e197b26df7

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
SignatureS+MovXRe9uzE2UWDIz9ZXgxt8o41S7IBqMOheq4bB7AqNR1r7wyKnY6FcTUtxyhLKUl6vMWQdLYc6JHatgquBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:17.609155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086482
observed 4a24f9959f06876984f5a89d900f177e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.591072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086482/manifest.json
observed 717913b06ab1101cfb19eaead222c203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.573031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086482/publication.md
observed b0cc9922d2ee867886f1169b416934ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.554455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086482/publication.txt
observed 20da72f84bc150b5826ad3874c2a72e2...
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.