OpenTechnical

OT-2026-000005530

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three 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-2026-000005530) never changes.

Identity and time

Publication numberOT-2026-000005530 · never reused
Internal UUID01a0a93c-1dc9-71e5-a6ed-41ad5ee39c4e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:24.429578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005530
StatusPUBLIC

Content hashes

Canonical text807b6cd195b0cb2b01a363af378c54e17ac79dac75eb9a478fb6e125662f04f6
Markdownd8500112fc19fe8ba247a400358f1617ec3d99848ac817ef3b0284bd99c758b1
PDF
Publication page6c48afc3e91b72b2003eba159cdf912b0c51bdb1a68e9a1dbc35712ca44a5bb7
Manifest9473c85c93fce837f89449a43ae2b793ed1e8905d00846e9ae9b8a8179288079

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
SignaturexC2MWA+ikzTaBumwoSVbq8zlxGgbpsVDur0E6UYbknvKDyNyRVQTQxZjRMa8/CS8lvzgdhfspwGaGPkf7UokBQ==
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

2026-09-16T08:10:29.973516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005530
observed 6c48afc3e91b72b2003eba159cdf912b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.959837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005530/manifest.json
observed 9473c85c93fce837f89449a43ae2b793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.944978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005530/publication.md
observed d8500112fc19fe8ba247a400358f1617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.930488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005530/publication.txt
observed 807b6cd195b0cb2b01a363af378c54e1...
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.