OpenTechnical

OT-2026-000048758

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000048758) never changes.

Identity and time

Publication numberOT-2026-000048758 · never reused
Internal UUID01a0ae80-c32c-79de-89f1-6f310fd2c0c9 · 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-2026-000048758
StatusPUBLIC

Content hashes

Canonical textf110b648485916256a83b01960a5b048f7781e498add258b38d212bc3500ec22
Markdownb77bbc464208fdabfc9378cef9a7829e272ddc668c38d6256d9d92e77343b971
PDF
Publication page9c9d28353d7cf65acfbb93b192f8bb5ad581bd71e6d63a6f0b5c49eeb56d3a15
Manifest2cf627eeec3b744f869bdcce2e4fbbf15ab855a010a660b1889e695635dec937

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
Signaturen9O1ZqGKJAiHuOJuv3qY87EyQZ6yEHm7H/60ijfXnJiZ/A+trFVYfY7iZuTNek6DspJUmrHSrANF/KxJihOjAg==
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

2026-09-17T11:04:26.058135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048758
observed 9c9d28353d7cf65acfbb93b192f8bb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.031418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048758/manifest.json
observed 2cf627eeec3b744f869bdcce2e4fbbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.003006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048758/publication.md
observed b77bbc464208fdabfc9378cef9a7829e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.976945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048758/publication.txt
observed f110b648485916256a83b01960a5b048...
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.