OpenTechnical

OT-2026-000068896

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000068896) never changes.

Identity and time

Publication numberOT-2026-000068896 · never reused
Internal UUID01a0ae90-6dcc-78e7-bdea-c68b05659355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068896
StatusPUBLIC

Content hashes

Canonical text3834ec6ffe319ba3910446ae42426b145ede100349b1b6b8b2f5baca8c42e150
Markdowne85ca06e4eb8a8cd4a16c73e14d208c9410ec8b283ed460e61cb1a5fdc8d3293
PDF
Publication pagec9ec68d35a567e563549d394355724b013269e3cb0134e0c657d0682a6631974
Manifest58911aa04350904e5356c9307f4539ae414b9c73568ad76ccd584228981f2bbe

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
SignatureAwbRcRLqWwoaBrZJ19q10pUUOWvFMbyUNgV/oRbGM0Xu2N9wQXxgvwvhwh1FTiFfZqehR9Uf0OyVfZXe32WWBg==
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

2026-09-17T10:28:42.923099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068896
observed c9ec68d35a567e563549d394355724b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.906687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068896/manifest.json
observed 58911aa04350904e5356c9307f4539ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.888729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068896/publication.md
observed e85ca06e4eb8a8cd4a16c73e14d208c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.870695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068896/publication.txt
observed 3834ec6ffe319ba3910446ae42426b14...
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.