OpenTechnical

OT-2026-000048721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000048721) never changes.

Identity and time

Publication numberOT-2026-000048721 · never reused
Internal UUID01a0ae80-c32b-7565-a461-965db0936183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048721
StatusPUBLIC

Content hashes

Canonical textf61004d46b7123a1d98f3203736e62e0d911c6d2bbe80c5fd5bcea8b9c4510a5
Markdown83b138b7e15457a4c351bd4761fc616e5386349c0db60a439cbe9421f680f673
PDF
Publication pagee7aec81409b940feb90d3c5be9dd1e1da148a80c566bf3bf2a76865b6cf31dc5
Manifesta31ad29b61c6edbdcbbbec8c19f2aad90e487dda17ea5f7789cb61d7844a1171

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
SignaturekaofWK9bPS9G2gyBEEH9RAByWem4dL7IQHfk5U4iWoB9Tr5yUzqKMUmSpgr/54uZRg2AP69Xa8t8c7eAKf5nDg==
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

2026-09-17T11:04:22.093334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048721
observed e7aec81409b940feb90d3c5be9dd1e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.074830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048721/manifest.json
observed a31ad29b61c6edbdcbbbec8c19f2aad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.055235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048721/publication.md
observed 83b138b7e15457a4c351bd4761fc616e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.035002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048721/publication.txt
observed f61004d46b7123a1d98f3203736e62e0...
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.