OpenTechnical

OT-2026-000005567

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six 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-2026-000005567) never changes.

Identity and time

Publication numberOT-2026-000005567 · never reused
Internal UUID01a0a93d-6edb-795e-b512-f3ba0f498977 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:50.718475Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005567
StatusPUBLIC

Content hashes

Canonical textcc41f1856486cc78076634c40f3afdb6962b43736b3d8feaaf6fc7b778bef5c1
Markdown9563f792b88691b24d0cf2cd912f4f6bb55158c9d230889f8ce7791b76be432f
PDF
Publication page272e5451eced6d13ab41ff0dc7fd8ff54ef39f152a787fc7c207aafada280640
Manifest043c762c8bd8d1de887b43cd143717693ad55418ba539cc2d50912ea1371f36c

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
SignatureayTY99Kx+s2GTg8tSoa4yz2qSyQau0icd3hUO+ToJAFoLuaM20ADuCGifaqbfe0W/B4IdLcDoXUNpq9Mv69PAw==
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

2026-09-16T08:10:25.929715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005567
observed 272e5451eced6d13ab41ff0dc7fd8ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.916562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005567/manifest.json
observed 043c762c8bd8d1de887b43cd14371769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.902607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005567/publication.md
observed 9563f792b88691b24d0cf2cd912f4f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.887097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005567/publication.txt
observed cc41f1856486cc78076634c40f3afdb6...
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.