OpenTechnical

OT-2026-000084475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000084475) never changes.

Identity and time

Publication numberOT-2026-000084475 · never reused
Internal UUID01a0ae98-5b63-7df2-8c53-bba584acef7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084475
StatusPUBLIC

Content hashes

Canonical textd1faecbc0940b9d407a3ac50782345ee2b3e10a29ccdaf17a79ce737a9109701
Markdowna160dbfdad57830f8de1a43e7b5fd29697438494cf02a208b9755716ca6b0fa2
PDF
Publication page3b4fc19e35289c7262824beb58f38721b8349b993db7aea40b55ad23ac28cd71
Manifest63f5001cc1352402efd50bf1fdc2129349fc023f784bda59235fc56c68acdb79

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
Signaturek8hscQ32YL7JrKaNjVCMr3jHl6lQMoTXf8UHbWO6sJUjePFBdGh6xD1/bLqzK5yQwxiTvnE/WuXnwq2GN3ctDg==
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

2026-09-17T09:56:26.497074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084475
observed 3b4fc19e35289c7262824beb58f38721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.479513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084475/manifest.json
observed 63f5001cc1352402efd50bf1fdc21293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.461651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084475/publication.md
observed a160dbfdad57830f8de1a43e7b5fd296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.444877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084475/publication.txt
observed d1faecbc0940b9d407a3ac50782345ee...
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.