OpenTechnical

OT-2026-000019752

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000019752) never changes.

Identity and time

Publication numberOT-2026-000019752 · never reused
Internal UUID01a0ae6f-1fb4-7f3d-b10b-d2eb8d2f7684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019752
StatusPUBLIC

Content hashes

Canonical texta7b912ba261b6a9fb5aec19e7f271aa8afa67ffe06d35b6ed7174a6ff28aa591
Markdowndca2897a036b938ade0fc05026cf9cb0523adad0b800dc635c89aae8a6f5407a
PDF
Publication page82bf5e771fc52cc80d94ce9d2614853e5af9bddd7d95f75f562e4bfd6ecfe60f
Manifest9ba4cea5634845baa007c598d26ea664ced8d8b3dec7096ecba722506db5c617

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
Signatureyns/K2pB8WTbqs4JxofXz6FLy31o+RT/DCIgk3rB1bqCF1rOTkoymNMqyNBlcAinbVVQh7U5d4mq2sFHBAn6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:57:50.950802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019752
observed 82bf5e771fc52cc80d94ce9d2614853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.932620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019752/manifest.json
observed 9ba4cea5634845baa007c598d26ea664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.914368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019752/publication.md
observed dca2897a036b938ade0fc05026cf9cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.895345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019752/publication.txt
observed a7b912ba261b6a9fb5aec19e7f271aa8...
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.