OpenTechnical

OT-2026-000048473

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000048473) never changes.

Identity and time

Publication numberOT-2026-000048473 · never reused
Internal UUID01a0ae80-4de5-7bcc-b7f9-abfcefb64a0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048473
StatusPUBLIC

Content hashes

Canonical textc16c94a2885dbf0cc8e0024d9b304771d34021d93aafba726e08f5989acbc471
Markdown6db3f6b4f119adbec7fb5420093a8d5ce3a4cdd59480ba8d8202d4e85719b722
PDF
Publication page2ccc8c3540a8028e7cca9487f25cf7f402f5e30daa3ddde9fe5671923f9aff7b
Manifestdc7d26f9e818d5f31317e42672688683b94dd45d42f745dbbc1c9462164b82e2

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
Signaturec3cKcrXIUZwR8WjBIrzFeL80KEcHtOL5WJuaHpUVyYyavsgA1jYA8DOcNX+cWD5NuK+dpSHjdixFXaIx2QQ6Dw==
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

2026-09-17T11:05:08.226152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048473
observed 2ccc8c3540a8028e7cca9487f25cf7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.207932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048473/manifest.json
observed dc7d26f9e818d5f31317e42672688683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.187235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048473/publication.md
observed 6db3f6b4f119adbec7fb5420093a8d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.169249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048473/publication.txt
observed c16c94a2885dbf0cc8e0024d9b304771...
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.