OpenTechnical

OT-2026-000042352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042352) never changes.

Identity and time

Publication numberOT-2026-000042352 · never reused
Internal UUID01a0ae7a-5d74-7f39-b5a7-53325224c953 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042352
StatusPUBLIC

Content hashes

Canonical text7ab1847fda36b294b00e30399e5d6e0ceec4b79144c9788a02be9e287c15e464
Markdown43a660dab4ceb60d821917eb0f144b5476a211002507eea922ef698ea2cec7de
PDF
Publication page8d2e5e7d75600364652bc39449d29cb3e8621da6c1ddc7cd30d6d7b2d6f9c943
Manifest877f9f043b4434491caf76da6ef5fccab533e9e9fe3eb1ce9af4667050b90294

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
SignatureqEFzISatovJtgDTYpH403EY4U8nbAlzRMM7ToUCak2oxLF7liSNNO/j3cd3hNzjVKqYIK3XmZt/Ev3pZioFZCg==
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

2026-09-17T11:16:03.800329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042352
observed 8d2e5e7d75600364652bc39449d29cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.781894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042352/manifest.json
observed 877f9f043b4434491caf76da6ef5fcca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.763438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042352/publication.md
observed 43a660dab4ceb60d821917eb0f144b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.745362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042352/publication.txt
observed 7ab1847fda36b294b00e30399e5d6e0c...
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.