OpenTechnical

OT-2026-000005101

Publication integrity record

Vacuum cup gripper, common isolation valve, two stage ejector, contact triggered, vented 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-2026-000005101) never changes.

Identity and time

Publication numberOT-2026-000005101 · never reused
Internal UUID01a0a92d-e324-74f8-ad2e-fe4e644e591e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:51.911539Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005101
StatusPUBLIC

Content hashes

Canonical textdf1a6c86d3b08566baa066874a76f01c41eb977a80844ded29e90a1fd535de8d
Markdown99e60798b9874997002af597d5c36e5008c9c7cc500fd32aa1e134b2193f49e3
PDF
Publication pageb255ed554bfb5695998f7e4e18895c9a0e4262f3ed920a9aac3ae3274b4f7d87
Manifest72fe0597c1943f1a38a7b03d4cf6e733bef356c516313ca4a43bda838674825f

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
Signaturek5QgKwmzBXd8sVAHWVT24RcWapFTKl6qbQzK8HezQoy3wUrn8KvGw/n5haQKDdQxqYPSV7a9/dSOjdio7cGHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:15.415407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005101
observed b255ed554bfb5695998f7e4e18895c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.402166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005101/manifest.json
observed 72fe0597c1943f1a38a7b03d4cf6e733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.387972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005101/publication.md
observed 99e60798b9874997002af597d5c36e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.374056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005101/publication.txt
observed df1a6c86d3b08566baa066874a76f01c...
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.