OpenTechnical

OT-2026-000047325

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047325) never changes.

Identity and time

Publication numberOT-2026-000047325 · never reused
Internal UUID01a0ae7f-3e57-78a1-8730-386280b0f873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047325
StatusPUBLIC

Content hashes

Canonical text53ab0116e0d21cc892b1dfa797011db5ca521683a84f64669e0ef7ab3be32299
Markdownd33a9c971eb54c92947a94a12b5930d029dc95db8459ac33ccff237afdff602d
PDF
Publication page9eac6ccdf37332e37a6a3cd0f7f87142b807a68c1ea4ee90be2940f24d60e525
Manifestf42b2bc80fc82fb9c785fcddf20b4006173375d28d1c83bb940f0b336b0f70b4

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
SignaturewYNOA9cibsbUsFEu4SG8r7rQoHMRoYZsvOG7hn4mBnh0AxCr7LHsMNRnerw+rQdmyEN8b1/mHOSo2twANay5DA==
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

2026-09-17T11:06:18.734111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047325
observed 9eac6ccdf37332e37a6a3cd0f7f87142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.716124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047325/manifest.json
observed f42b2bc80fc82fb9c785fcddf20b4006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.698850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047325/publication.md
observed d33a9c971eb54c92947a94a12b5930d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.680070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047325/publication.txt
observed 53ab0116e0d21cc892b1dfa797011db5...
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.