OpenTechnical

OT-2026-000022089

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000022089) never changes.

Identity and time

Publication numberOT-2026-000022089 · never reused
Internal UUID01a0ae6f-bb5c-7e36-bf00-695187475a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022089
StatusPUBLIC

Content hashes

Canonical textaa59f6b4077e2b6d5ab542301f07bbac15256adf7a58739d33730ae85986baa3
Markdownb5043bc320088d78c641d8f59ef5a15cd16e6f246df19ec8445e66457a213579
PDF
Publication page55b595b5b216baba40a5a33bafda1cb3dd510e7b6e47f3dab4a2f137c80d603f
Manifest1964ef589145317352e5e79d9d2fdce2405793376318f4082ce70f51b4f6e3ef

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
SignaturetZZO6rdC1dnSMtnf3rT5UbYEUk9gqvRcV7kEduztTrP5dVqT8u00WKG9PaBFtubAmnKuWslVnLb3BJG48nquBw==
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

2026-09-17T11:54:47.205722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022089
observed 55b595b5b216baba40a5a33bafda1cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.186054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022089/manifest.json
observed 1964ef589145317352e5e79d9d2fdce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.165826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022089/publication.md
observed b5043bc320088d78c641d8f59ef5a15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.146141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022089/publication.txt
observed aa59f6b4077e2b6d5ab542301f07bbac...
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.