OpenTechnical

OT-2026-000100188

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100188) never changes.

Identity and time

Publication numberOT-2026-000100188 · never reused
Internal UUID01a0aea3-3052-7a48-bbf9-c5a9bd30a03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100188
StatusPUBLIC

Content hashes

Canonical text38d2dfb865e1f0afd414ab5bde69354363f61bc4e6007ea62f5ddfc0bd488aa6
Markdown9c172f4f1edea8eccd96a38196b2a9dd8495791e44bc0567eef56bede4873ebd
PDF
Publication page41026fa97f13d158617b3ca506f8429c3bc965347e73bf58fda6268843ccdaf9
Manifestc3b6e1a48b00f63fe63bbd7138790bfd47f569669c1b3aecebcd041ac30e1844

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
Signature7r2ujqFivlBv0l6DOTg2p0y0OgFS7aj8dtQtHxXgmKJTuGkVm+a+J9vbpDfRsOqZugz+KXN30k5p36O5T6x6Ag==
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

2026-09-17T09:27:54.357731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100188
observed 41026fa97f13d158617b3ca506f8429c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.337427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100188/manifest.json
observed c3b6e1a48b00f63fe63bbd7138790bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.310172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100188/publication.md
observed 9c172f4f1edea8eccd96a38196b2a9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.282853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100188/publication.txt
observed 38d2dfb865e1f0afd414ab5bde693543...
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.