OpenTechnical

OT-2026-000090666

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000090666) never changes.

Identity and time

Publication numberOT-2026-000090666 · never reused
Internal UUID01a0ae9c-7f30-7e16-a9ab-8582e5fc17df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090666
StatusPUBLIC

Content hashes

Canonical text80a013ca613e34e51a2957591608d8f113b89626646444cdf1ea910027f9d125
Markdown684c2bf0fb99bc6769a61904aa74d42a16d52a826fda8adf571f8e456333e37d
PDF
Publication page73cbfccb5ca2650c7d005c5f8d96851b4b8ebd56a63eec8be6c937a8b0052797
Manifestebc597f1652472790e7fb15d70c429f37360c0df0c4328cc3fd61c78a10ac4da

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
SignatureILm4jSwIgUszRZVL4tdmFBThf8iKmdj/WLY/34ochFP0QDMDa8ehuax6cV+YycCFqxDSMCom60A8AV05dm5UBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:51.609493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090666
observed 73cbfccb5ca2650c7d005c5f8d96851b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.592878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090666/manifest.json
observed ebc597f1652472790e7fb15d70c429f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.575865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090666/publication.md
observed 684c2bf0fb99bc6769a61904aa74d42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.557804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090666/publication.txt
observed 80a013ca613e34e51a2957591608d8f1...
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.