OpenTechnical

OT-2026-000046019

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000046019) never changes.

Identity and time

Publication numberOT-2026-000046019 · never reused
Internal UUID01a0ae7e-0329-7ff2-a73d-985d62a7b768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046019
StatusPUBLIC

Content hashes

Canonical text054cde178830492aa236df95ad0d055ab0b7b7b3dfb54faabf38e1a3a4eaada6
Markdown90776167c9c40f64b8007a1dfbe080adc2482bc5c4cb8e5535a1422bb53e7eb6
PDF
Publication page1853bb1ac1da77a71e77e59a6fef54aed54ebb0b303aa012f762fb3e222c7e62
Manifest909c8e03abc1d8f0d9635a0a84127d1e737bac5f475c3811dd65741bca9e38e4

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
Signaturek7TnquXvOhRuWu/1EYJ52/vUSfJqH41tEbu0kpokC6F8r9NOMd0GIc5eKFowm6UqHeiRGoKs8xVAzXXZzgQLAQ==
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

2026-09-17T11:08:57.890737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046019
observed 1853bb1ac1da77a71e77e59a6fef54ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.869878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046019/manifest.json
observed 909c8e03abc1d8f0d9635a0a84127d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.846568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046019/publication.md
observed 90776167c9c40f64b8007a1dfbe080ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.827610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046019/publication.txt
observed 054cde178830492aa236df95ad0d055a...
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.