OpenTechnical

OT-2026-000047647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000047647) never changes.

Identity and time

Publication numberOT-2026-000047647 · never reused
Internal UUID01a0ae7f-c41e-7612-b980-3ff157bf3087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047647
StatusPUBLIC

Content hashes

Canonical text02924bf93d0ad6acd3770246da37c5902478406fdc5ef507078c3d2421f44af5
Markdown2c0e8d708e42eae6b328d9e289007436fb51336d87674a4517d4842b5a2ad553
PDF
Publication page93d4a0e1da15538457b86f790771df84ad8e4ab4cd3d6b9d017dadf42ee9b5f2
Manifest4540de06f31a53b0b7f0871c716b6939111cb9ad726072824d51be44d80fa4ae

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
SignaturePJO9bFQrKFhUYQy8iKPEBnN5aoQl902ybo7kpyjsXBnmeCRf3BTwTKIJQdDVe+Tlh9TsBhIivH0fpcsr33qCCg==
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

2026-09-17T11:05:28.794515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047647
observed 93d4a0e1da15538457b86f790771df84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.771151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047647/manifest.json
observed 4540de06f31a53b0b7f0871c716b6939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.748860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047647/publication.md
observed 2c0e8d708e42eae6b328d9e289007436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.728013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047647/publication.txt
observed 02924bf93d0ad6acd3770246da37c590...
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.