OpenTechnical

OT-2026-000010983

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000010983) never changes.

Identity and time

Publication numberOT-2026-000010983 · never reused
Internal UUID01a0ae6c-540e-7c27-8eff-e6ba2190e82e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010983
StatusPUBLIC

Content hashes

Canonical texta7be021c3811f0f01665eeb203c084a35b5aacd79a724b69936417a2a972fa2c
Markdown05b1ae5bfc15dc4e10630e357c91d65ce1fc483141f0a2d374a3fe49b94427a0
PDF
Publication page457815e343f6e8c036757319ed8f5706a8f0844d5c42ca8fb3d90afad696b978
Manifestd745f3451e44183a6876b2d8571d71e066f934b75837840ecd6b1fdc9ae19f1e

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
Signaturen+nZIIh3qAAIVWNa694qQh2fo8j+slVDCYap5u+8TDWJXLYdXC4sbTdgzxf9Oi7A4g5HpUP6U+uIVzwJoc/LDw==
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

2026-09-17T12:13:47.182111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010983
observed 457815e343f6e8c036757319ed8f5706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.158215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010983/manifest.json
observed d745f3451e44183a6876b2d8571d71e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.137841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010983/publication.md
observed 05b1ae5bfc15dc4e10630e357c91d65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.118012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010983/publication.txt
observed a7be021c3811f0f01665eeb203c084a3...
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.