OpenTechnical

OT-2026-000003807

Publication integrity record

Bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, contact triggered

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-2026-000003807) never changes.

Identity and time

Publication numberOT-2026-000003807 · never reused
Internal UUID01a0a90b-1e25-7427-ab89-da17047db686 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:53.259695Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003807
StatusPUBLIC

Content hashes

Canonical text003a4dac7fb3a0569995479d63c5fcf74873d3ccfd010d53425085c29a32d596
Markdown9e9a9cf10cce02cbe5895f37de483150fa2bac8674b55894a97dbd73cfeadd0f
PDF
Publication pagefaf1b93845de734c6341e5b9b02bed2808a2ed0328b02d4a2673acf94ef90b6e
Manifestbd912e697934c4f13ebe23e7ef9b2fcda1d082dd5e0628fedc41542b3cc68563

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
SignaturekjU6h2MO7S3NdL6o4viDoPLTmLiZqKXhWJxDKFGSUGi04EFQOAavYx4X7X4Sc3a9+A3PH6NS97gOm9Gh4SfTDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:19.190475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003807
observed faf1b93845de734c6341e5b9b02bed28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.176096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003807/manifest.json
observed bd912e697934c4f13ebe23e7ef9b2fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.162589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003807/publication.md
observed 9e9a9cf10cce02cbe5895f37de483150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.145981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003807/publication.txt
observed 003a4dac7fb3a0569995479d63c5fcf7...
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.