OpenTechnical

OT-2026-000045817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045817) never changes.

Identity and time

Publication numberOT-2026-000045817 · never reused
Internal UUID01a0ae7d-8f05-7379-b389-c9015e2284bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045817
StatusPUBLIC

Content hashes

Canonical text705ad6c5ec25b56d9044729ad56b29f116cd28095b8c2dfe7f61c1151d6524d7
Markdownc3289ce57825c46f1bdac3e4fa7171818d7cbeb0f6cd3d70c815add07c9c2842
PDF
Publication page5f9ffd43bc5d1ae6f6086438bff62fc21386e2a58d336a4d88a18bcb40ca6287
Manifestdeb638f9e16ac1fd2ecb136ed12a72cef5370e097b062affebc8f05978a5438f

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
SignaturetpMbmgUcrlSAagH3czuQmdwZ5OGz7L6BHV+WWa5+AjyOKlywEzcoJ2nGluVu8If9NYbaJd6BiTA9Z+RNOPk8DQ==
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

2026-09-17T11:09:41.342214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045817
observed 5f9ffd43bc5d1ae6f6086438bff62fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.325534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045817/manifest.json
observed deb638f9e16ac1fd2ecb136ed12a72ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.307073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045817/publication.md
observed c3289ce57825c46f1bdac3e4fa717181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.289614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045817/publication.txt
observed 705ad6c5ec25b56d9044729ad56b29f1...
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.