OpenTechnical

OT-2026-000100742

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100742) never changes.

Identity and time

Publication numberOT-2026-000100742 · never reused
Internal UUID01a0aea3-66f4-785c-86de-3bf9187fce58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100742
StatusPUBLIC

Content hashes

Canonical textd6a99f7d44838664cb88607284af7e88eeb87893dcf417a2f2bff55f64a26a1f
Markdown2e0d6e90df18e9d90bf5e8625d5cca318145b399c211accdef082d3c24f05eb0
PDF
Publication pagedf4acc02f71a441cd1d84ab988e520d5c32968fd71dde2747507912b3c8b6383
Manifestf9a6f15f159f0e14a6173e602cdc76641120adc41264cd708a12148cbcc86954

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
Signature3W6uS1IWQttHzS5MdJCvzttwv8dCqCxnxg4e4jFUZzeghN5p2UVK3ZnzlNsVLSLXfHwRTZ3axHSR0P2QoJLQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:34.526140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100742
observed df4acc02f71a441cd1d84ab988e520d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.508266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100742/manifest.json
observed f9a6f15f159f0e14a6173e602cdc7664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.489803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100742/publication.md
observed 2e0d6e90df18e9d90bf5e8625d5cca31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.471645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100742/publication.txt
observed d6a99f7d44838664cb88607284af7e88...
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.