OpenTechnical

OT-2026-000079809

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000079809) never changes.

Identity and time

Publication numberOT-2026-000079809 · never reused
Internal UUID01a0ae96-4376-79e8-bdbd-00361b5a85aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079809
StatusPUBLIC

Content hashes

Canonical textc37970b2ebc772a2502ae6c2732a59d5aabee1a8918f1fa36b3077d68d3daac2
Markdowne22e1154ae3f36727c0691724f46eb44670219bb934f4ba3cef3463d4fd62213
PDF
Publication pagee4bc06d380521920f9fee9347b9fedeefefb8b3839445eb5b7c0a8f8867a15e0
Manifest8d46ff930de7fc28dc6d2558a34cfadcb027b876cf4bfd1561ef0c4cbb925b17

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
SignatureP9v7e3kCP4xG5J6P/+QDFbTFuhz2wt0DlF0UePD+opA6NvEvhkn4krteYjkKXsRb5buJYOjlqp3muwjMq1JkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:41.320240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079809
observed e4bc06d380521920f9fee9347b9fedee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.301801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079809/manifest.json
observed 8d46ff930de7fc28dc6d2558a34cfadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.283995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079809/publication.md
observed e22e1154ae3f36727c0691724f46eb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.265575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079809/publication.txt
observed c37970b2ebc772a2502ae6c2732a59d5...
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.