OpenTechnical

OT-2026-000048146

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000048146) never changes.

Identity and time

Publication numberOT-2026-000048146 · never reused
Internal UUID01a0ae80-4de1-7a2c-b563-ebf8d5e3fcdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048146
StatusPUBLIC

Content hashes

Canonical text01ece54145135eea533b8be2bf0c3e6907ce5f3573f6fc467a3818444d635cc4
Markdown6609b2e08c73e322dbdfef64b3f811eb5f36394f34dcd5c50506210b34cd57ce
PDF
Publication page163366e51e3ce068a9c9cdf6b837e113dd0e9ca641acf52c3b66f6bba32880d4
Manifest5eee0310e7d7cae001e151416583d855f017974cbc16b7cbf47d13895f7601d3

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
SignaturemDvdBbPMlahZtehHP03BBefO0dZEIKymVlPWSu0mqruHq+qSysIZCJeV0Dvixo1ActvjTjRJTpXFZUoGToYdBw==
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

2026-09-17T11:04:40.236048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048146
observed 163366e51e3ce068a9c9cdf6b837e113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.217697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048146/manifest.json
observed 5eee0310e7d7cae001e151416583d855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.198046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048146/publication.md
observed 6609b2e08c73e322dbdfef64b3f811eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.177430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048146/publication.txt
observed 01ece54145135eea533b8be2bf0c3e69...
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.