OpenTechnical

OT-2026-000048668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000048668) never changes.

Identity and time

Publication numberOT-2026-000048668 · never reused
Internal UUID01a0ae80-c32b-7f61-a712-268e7f1d5c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048668
StatusPUBLIC

Content hashes

Canonical text83dcb67fe37e1fd532354c5d9dfc9a8b855a2c830a59c86a8f6352d61f016e30
Markdown872e4693f144b6f890aa63c5b0612e9e8af0625f7482ad410a2c239782e6c648
PDF
Publication pageff455f34ad36cecee566c2803c5367fab79b1bc9174f44b0ecb0157deac7e72e
Manifestc9daa85c6a322db7faae1ed6ab5c71eb3484cef567a96fd550d3c5154edef714

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
SignatureFJ1gHVu4Efr/Uc0joGetxrtAEtZn4f/xmxBOVOQYFHOgQRFfPHa/ffrn5XdmETWE9TpIWxi/+TVEg/012WmHAQ==
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

2026-09-17T11:04:17.380614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048668
observed ff455f34ad36cecee566c2803c5367fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.360774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048668/manifest.json
observed c9daa85c6a322db7faae1ed6ab5c71eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.340217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048668/publication.md
observed 872e4693f144b6f890aa63c5b0612e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.321265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048668/publication.txt
observed 83dcb67fe37e1fd532354c5d9dfc9a8b...
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.