OpenTechnical

OT-2026-000004069

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, two stage ejector, contact triggered

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-2026-000004069) never changes.

Identity and time

Publication numberOT-2026-000004069 · never reused
Internal UUID01a0a90e-33a2-7e87-844d-ff5c831de5aa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:15.365808Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004069
StatusPUBLIC

Content hashes

Canonical text9c0cb48d2aa620940c063ce78ea5509f181ac5ef569e77fc75dad3469aa2b941
Markdown5bdc513c66ba2a28d5efcc57cf27589eede82ce45560e10624e85aec2a4d496f
PDF
Publication page5e9e09eacd7431c8d0f2e9160cf655c7b189b497c315f7046b1b925a87050f8a
Manifestef3d09608f6b31822220beb3f02942d8b405710a58252040769fba10986a2817

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
SignatureH3EEoMLzKiayDQJ/MHykdAdUiugw2PmrDSN7QetfQs6FzBjdUFdFbIf8Z+l0eOYiT4/9USXNsHGEcuUEwpsXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:35.895535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004069
observed 5e9e09eacd7431c8d0f2e9160cf655c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.879582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004069/manifest.json
observed ef3d09608f6b31822220beb3f02942d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.741216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004069/publication.md
observed 5bdc513c66ba2a28d5efcc57cf27589e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.727574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004069/publication.txt
observed 9c0cb48d2aa620940c063ce78ea5509f...
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.