OpenTechnical

OT-2026-000007609

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000007609) never changes.

Identity and time

Publication numberOT-2026-000007609 · never reused
Internal UUID01a0ae62-76bc-76f9-870f-cdb872ddb94d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007609
StatusPUBLIC

Content hashes

Canonical textce0d78e6b18c7cc070500b9f7c5013d0ff25b0ca14911d8de9d3c6cb6d656ca7
Markdowne2d9109d23321a3e2871559aa5afe7dda3495bafe1d911152ed111e203c159f4
PDF
Publication page75eefd43e3944792eb913ea87e4eb4b22847de4e629cf252d669b7ca71a8d9ce
Manifest8499d4c09d88985edda5bd3a899d8db89f0b5bc87ee7e5823ff0542693b4c6b2

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
SignatureZFho9F1JPboPCOL2/9NhrqIQudAQ1UClJInJmwzHXp6fzcTdjUOAnaTiei3tslhdxephcKnI6qHljW8qg8pVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.312141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007609
observed 75eefd43e3944792eb913ea87e4eb4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.294728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007609/manifest.json
observed 8499d4c09d88985edda5bd3a899d8db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.273589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007609/publication.md
observed e2d9109d23321a3e2871559aa5afe7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.255161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007609/publication.txt
observed ce0d78e6b18c7cc070500b9f7c5013d0...
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.