OpenTechnical

OT-2026-000019944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000019944) never changes.

Identity and time

Publication numberOT-2026-000019944 · never reused
Internal UUID01a0ae6f-1fb7-7d95-aee2-3c06f7bc5f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019944
StatusPUBLIC

Content hashes

Canonical textfdf7402f0022b3efde7c752acdc0ee36431b3ae7f04cb63b11e8c54e30e0c527
Markdownb9b219dcf908258d4a6525c10c5d57e6c234c596edc3546b442ffe0696269c8c
PDF
Publication page9ca1239610dc29ccc3501539ea542e8b8da5eb9facfcddc97d3289b053dfb4c3
Manifestdbbce4bf0f44e3c0dcf8d0fa7f40603e22bcfd5b059ca389cb962dbf088ac829

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
SignatureGJymdlNl6ct2yhGOTPQlVtVUuGVjc0HGAWyP0O33dmY83RYA/9zKKPxzbRM0rt3znge9DS8+Mw+yYVfN6jzFCw==
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

2026-09-17T11:58:10.245959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019944
observed 9ca1239610dc29ccc3501539ea542e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.228371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019944/manifest.json
observed dbbce4bf0f44e3c0dcf8d0fa7f40603e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.209361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019944/publication.md
observed b9b219dcf908258d4a6525c10c5d57e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.190895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019944/publication.txt
observed fdf7402f0022b3efde7c752acdc0ee36...
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.