OpenTechnical

OT-2026-000048254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000048254) never changes.

Identity and time

Publication numberOT-2026-000048254 · never reused
Internal UUID01a0ae80-4de3-7226-a05e-2c112a2651a8 · 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-2026-000048254
StatusPUBLIC

Content hashes

Canonical text1f0dcbb83a4a64012113333def86929a35554935795733a8f582022ae5bac17d
Markdown9a0d7f99ca68238fe11b590de995b33ddb6cb77d662890c0c2488f927ff0d2a7
PDF
Publication pagef85b312814283092d41941c809aca3b1d3da696d8f3b87e847a9d9e9fdc20013
Manifestae351e389f2bae36ceac7fc5049dfd88ceae47f2e7114d7639063de5455f84a4

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
Signature8DYYseDawcBQdvAQMlXzgxpMxpsrRrBE225bhnhRnJ4YxhvnLSdddlGDi1Hz2iMSlWOpsdz9GKDFMMqLtSLJCQ==
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

2026-09-17T11:04:49.312489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048254
observed f85b312814283092d41941c809aca3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.290759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048254/manifest.json
observed ae351e389f2bae36ceac7fc5049dfd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.270185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048254/publication.md
observed 9a0d7f99ca68238fe11b590de995b33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.249811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048254/publication.txt
observed 1f0dcbb83a4a64012113333def86929a...
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.