OpenTechnical

OT-2026-000067107

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067107) never changes.

Identity and time

Publication numberOT-2026-000067107 · never reused
Internal UUID01a0ae8f-14ff-7a63-bbf8-d85ba1e30fa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067107
StatusPUBLIC

Content hashes

Canonical text7ffb33542bbf338ab7b9d504f81dd11991ead11350b7118c016c015ec0727c56
Markdown59415804387597c802c6f9fa0063571eb632ba6757a3be871277665c0294446b
PDF
Publication page72b4ee1cec34015a7de29ffd1a8d74297368d1e4a3230a055406654f1644b0e7
Manifest2e682586f994ed2eb299a18cf006df5bc3f9fdcf546fcc1c33442c1405fe34c8

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
SignatureHUDhyILpYFZ1yYzp6YXPFt8dQPYrUeODstv16zzPka2+nib152QGbHX6WvIaKyUKqFFeu/mL5WbywrmasveADw==
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

2026-09-17T10:32:22.557572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067107
observed 72b4ee1cec34015a7de29ffd1a8d7429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.541533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067107/manifest.json
observed 2e682586f994ed2eb299a18cf006df5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.526465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067107/publication.md
observed 59415804387597c802c6f9fa0063571e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.509900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067107/publication.txt
observed 7ffb33542bbf338ab7b9d504f81dd119...
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.