OpenTechnical

OT-2026-000084246

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000084246) never changes.

Identity and time

Publication numberOT-2026-000084246 · never reused
Internal UUID01a0ae98-5b60-7ea6-b9ea-0d056606d803 · 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-2026-000084246
StatusPUBLIC

Content hashes

Canonical text1d780188723bd4d1c6b5323277cc5eae2d699d0e31cddc70a1941bf64aaebc99
Markdownab8281e3a27dc71a8ceaf56416153f0d21dbe112638c4fb008dae90be3bf5d5d
PDF
Publication page47f09c69e4115d125a5965370d8de1eb1165f208af1556c4d7e6a212ba6b5d89
Manifestbbba34ad6de7f9efdd0c253e076d7a780ea52165df28cf370b1b6a9885bb4384

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
SignatureibQ1RFBgYFx9/0Ri41mTsvv3+P6DvFDx6ifqj1jiDjYnsLaOKNxOzERDYrDsfI3EBMXr1fHmz42ywXyIG7OeCA==
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

2026-09-17T09:56:09.011006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084246
observed 47f09c69e4115d125a5965370d8de1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:08.991938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084246/manifest.json
observed bbba34ad6de7f9efdd0c253e076d7a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:08.971838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084246/publication.md
observed ab8281e3a27dc71a8ceaf56416153f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:08.952670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084246/publication.txt
observed 1d780188723bd4d1c6b5323277cc5eae...
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.