OpenTechnical

OT-2026-000030720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000030720) never changes.

Identity and time

Publication numberOT-2026-000030720 · never reused
Internal UUID01a0ae74-3fb4-7104-91d8-859da09fcf81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030720
StatusPUBLIC

Content hashes

Canonical text06be9742a9b398072703fa23287cbc2e6b2a37f0ed5cca3a34e5b34e08cfe94d
Markdowndb86e65709082c09d92541a88e6d9973cf159edc968a971fb530125c3cb83aea
PDF
Publication pagee798ae07aca1e44e78c68757fde2945311efb4c3b003a300ec73ae3b66d01b8d
Manifest3c185a28a0462df35232875049b3200e130325ab5cc23f88ffe75eeb9ed42624

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
Signaturead6W0Q47vntlKNj3hYFK3NkerD/+ye+0oCP0D0yI2hy7z+lo7Afo3aNWdYoVWmGSSnFg8qnujAaOxh8ju+M0BQ==
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

2026-09-17T11:36:38.840669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030720
observed e798ae07aca1e44e78c68757fde29453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.821872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030720/manifest.json
observed 3c185a28a0462df35232875049b3200e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.803059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030720/publication.md
observed db86e65709082c09d92541a88e6d9973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.783779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030720/publication.txt
observed 06be9742a9b398072703fa23287cbc2e...
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.