OpenTechnical

OT-2026-000044849

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044849) never changes.

Identity and time

Publication numberOT-2026-000044849 · never reused
Internal UUID01a0ae7c-911b-738b-91cd-2eb0fd533eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044849
StatusPUBLIC

Content hashes

Canonical textac6da23aa42496b886999ef738a3af73f096f284629d481c1873eae480f4c690
Markdown9c116fa1982c4d3b18bc491a3773611ac18c1be0510e6d6c3ff6cb009ef4a9c1
PDF
Publication page6d1673109460c08bdf8bd1dc1e16e00ae3459edc4c33dca90bf045d84156171e
Manifestc1aff39a0f5ce565105f9dd218a5cfec84748d012b0ff81ddb441d3bc935dac5

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
SignaturepDkBWtEPw+zwll2Wzq+7QmRr2VGbsVGO3DZ/gnBi3L1G0rYFH6YM++acaOGa2zAnPdQyqXkinNu08/VsuD3uBA==
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

2026-09-17T11:11:29.670390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044849
observed 6d1673109460c08bdf8bd1dc1e16e00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.651280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044849/manifest.json
observed c1aff39a0f5ce565105f9dd218a5cfec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.624906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044849/publication.md
observed 9c116fa1982c4d3b18bc491a3773611a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.607093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044849/publication.txt
observed ac6da23aa42496b886999ef738a3af73...
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.