OpenTechnical

OT-2026-000016640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000016640) never changes.

Identity and time

Publication numberOT-2026-000016640 · never reused
Internal UUID01a0ae6e-5918-7129-b6d7-674601857bea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016640
StatusPUBLIC

Content hashes

Canonical text2c6596db142a7392644ab29a1cfefa3f124a7cf9c962b891355982261a8fad55
Markdowna6644252da6d3cc79b11b2270659b46cb8c30659f6e585f83da2ce9d602b81cb
PDF
Publication page2ecbfb63fa064d035f61667a3b7bce8db20b645ab21797fd3f6ab6ab6811a372
Manifest2ecee4ecf08f472fdbb04248d3070f39ea09f655a8f0d8fe9539bee19e678bbd

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
Signaturerx7QniW9vtafJl7wzJTemS9omiK5wNTaQ5atTmKpgRlBbX7C+ga0+/v8exssLKETr/onfcx+VoF53kCelJm5DA==
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

2026-09-17T12:02:50.090908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016640
observed 2ecbfb63fa064d035f61667a3b7bce8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.073718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016640/manifest.json
observed 2ecee4ecf08f472fdbb04248d3070f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.056762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016640/publication.md
observed a6644252da6d3cc79b11b2270659b46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.038216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016640/publication.txt
observed 2c6596db142a7392644ab29a1cfefa3f...
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.