OpenTechnical

OT-2026-000004014

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, four outlet manifold, ejector fed

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-2026-000004014) never changes.

Identity and time

Publication numberOT-2026-000004014 · never reused
Internal UUID01a0a90c-c5b8-7dc4-a19b-fa4b8da88e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:09:41.690525Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004014
StatusPUBLIC

Content hashes

Canonical text359a30867daecbfc6be2c27c571bfcd827de26a50a510e0009a280a91abb7d44
Markdownfa91c68480694feacd3643b9ccc49aa37f2f39d69f04508c3f2b6242ca303e35
PDF
Publication page3c3fb7f7ad4fd03c2aab4a16b8a5cd23694d89514f44955c1814a21baf0f68ce
Manifest57cdcbb207bdcec2ca2eadd8194c830d475362c0631da6c729d4ff55401c3d97

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
Signatureu6Wz3ZNXvBBpfNNEQQYmZNyIZcAwlGjJXyYBc6dWGD4bOSwaA83mn6WdpxOGYtqzPyxCdS2drT14PxzZaFqCDQ==
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

2026-09-16T07:10:06.222890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004014
observed 3c3fb7f7ad4fd03c2aab4a16b8a5cd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:06.210410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004014/manifest.json
observed 57cdcbb207bdcec2ca2eadd8194c830d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:06.196527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004014/publication.md
observed fa91c68480694feacd3643b9ccc49aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:06.182514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004014/publication.txt
observed 359a30867daecbfc6be2c27c571bfcd8...
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.