OpenTechnical

OT-2026-000047219

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047219) never changes.

Identity and time

Publication numberOT-2026-000047219 · never reused
Internal UUID01a0ae7e-d0f9-7afa-a3c0-8eb15ef0e62a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047219
StatusPUBLIC

Content hashes

Canonical text5182d486865c242c7a654ede46e4f69a3dd76afc85ec83dcb1909a2e18f5e874
Markdown0da14b989c4e8ccd902b319240c88f564ecd596a90b383428cbbf63695e70bbf
PDF
Publication page1739feb4dfa65e783187e4811033513d1085ee02d61074095ecbaa00d22a67a0
Manifest2276c109121d1fea7b229603028dee3b5605b34b43638087ee2262899455df56

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
SignatureUMycuwIPdyxnTTcPHprFBSpFrho8ih3CdHSwuA9GwFSaKfIC5GMa3Lb7ogDVuuHCYVKkbuwc5JFNynrei7MZDQ==
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

2026-09-17T11:08:03.395100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047219
observed 1739feb4dfa65e783187e4811033513d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.375785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047219/manifest.json
observed 2276c109121d1fea7b229603028dee3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.358272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047219/publication.md
observed 0da14b989c4e8ccd902b319240c88f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.339537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047219/publication.txt
observed 5182d486865c242c7a654ede46e4f69a...
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.