OpenTechnical

OT-2026-000033347

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000033347) never changes.

Identity and time

Publication numberOT-2026-000033347 · never reused
Internal UUID01a0ae75-8980-7fca-9c47-37787475ef0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033347
StatusPUBLIC

Content hashes

Canonical text2ba4540159af9b139b9d6a9c136cc0dc46d0b0b5bbd3a86a530a8d6d40abc2c2
Markdowndbede66bb4d5a5922427dc91c4d8bdc4da57400605b89d07d957820f315da43e
PDF
Publication page5bcbd851cb5744372ddeb5f0f01239a7a11c6c3077ff11570e5a23e2c5e8f060
Manifest5415fdded5b1b9197a877d2ff11b5e0d6516e985cc86ab346f84dcd84bc79eb0

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
SignatureYqLnFkW+b3wguJj2RilVQfIa0HQJEQaTipGVr0DGy0lZBivRhYdjhhOdCFKHORsTl628FhazWt63Z5q/T+IeAQ==
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

2026-09-17T11:32:06.414047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033347
observed 5bcbd851cb5744372ddeb5f0f01239a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.397180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033347/manifest.json
observed 5415fdded5b1b9197a877d2ff11b5e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.377573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033347/publication.md
observed dbede66bb4d5a5922427dc91c4d8bdc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.360091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033347/publication.txt
observed 2ba4540159af9b139b9d6a9c136cc0dc...
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.