OpenTechnical

OT-2026-000005569

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, ejector fed, 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-2026-000005569) never changes.

Identity and time

Publication numberOT-2026-000005569 · never reused
Internal UUID01a0a93d-807a-7fa6-8f7c-9fcc93414355 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:55.229496Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005569
StatusPUBLIC

Content hashes

Canonical textd3db417ad521a66f3cec362f12d34076aa6b691a3f5c6e218013bc94710d6e61
Markdown5730036fbcea45ec06a95d7f2beefd9dabbe8acc714bb781b8e695edc7ed6007
PDF
Publication page19f431c3d7140b667db1a2aa71d74251fd74c3df2e20e60df2a65af222b2fc84
Manifestbe316333047e5c515215c727a04f839acf2fcfefb6385213305d934d3e8b4635

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
SignatureFgnLz9StF6NnUWMpm1LqV+eWFnhvSXen7XDjkugh6nmpKEI+lFbOgl2jOeaWJtqENAlH//7QVxySBoT6LMNqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:25.693446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005569
observed 19f431c3d7140b667db1a2aa71d74251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.680275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005569/manifest.json
observed be316333047e5c515215c727a04f839a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.665707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005569/publication.md
observed 5730036fbcea45ec06a95d7f2beefd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.651056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005569/publication.txt
observed d3db417ad521a66f3cec362f12d34076...
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.