OpenTechnical

OT-2026-000034952

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000034952) never changes.

Identity and time

Publication numberOT-2026-000034952 · never reused
Internal UUID01a0ae76-6a1b-7b08-a01d-7d09af56e3bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034952
StatusPUBLIC

Content hashes

Canonical text1ff614a186fc0b589d5c04f5abb338d35276ed693bad94612a64f8bd9d4f75d4
Markdownbf103781022766ba5f1b51867b8be8c47b24f1fcf273306f4270b724802ddfb4
PDF
Publication page8eaa43b28864a3fdee9b8999aebc868361eb5166efeed4062227ebf964290123
Manifest1985fc17223009b08cdecd16e025392cb1e41ff45cbb5629b21a3fa6cd5d12e1

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
Signaturem20/s3GX4QIVlD/NVtLHGR8naXdzWHl0Ns62/T3gdFFooEsuwgvR1845zPjSH7AgPks7as6oeDb3ZMyOI3fvAw==
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

2026-09-17T11:27:52.568381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034952
observed 8eaa43b28864a3fdee9b8999aebc8683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.550831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034952/manifest.json
observed 1985fc17223009b08cdecd16e025392c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.497459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034952/publication.md
observed bf103781022766ba5f1b51867b8be8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.413418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034952/publication.txt
observed 1ff614a186fc0b589d5c04f5abb338d3...
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.