OpenTechnical

OT-2026-000047909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047909) never changes.

Identity and time

Publication numberOT-2026-000047909 · never reused
Internal UUID01a0ae7f-c421-700c-b53a-efe6b889d57d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047909
StatusPUBLIC

Content hashes

Canonical text35cfcc9bfdc34ce6e56987ae56792eb802ce999f6a5ea1c9bb939552a3c1029f
Markdown6fa502176ef06b57dd5da6c9b37f9e0d2fbcbc02d18536447944d3d0172e3168
PDF
Publication page7b6a86f2338bedf5296c1de9cdc0c18040fae11ede391ac829d283f49fa25910
Manifest3f5d4e505f8db7ce0a8e704b615ae4cff89870c98228659d561aa5aa809d0052

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
SignatureuvzlLg1sl2t0EJRAin0942/xbrNQkrw0uzCNOmasGsV5ZCQKr5iCGungKATz+hm+qvnwjtzcX+ka23tb6jPlAQ==
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

2026-09-17T11:05:51.131873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047909
observed 7b6a86f2338bedf5296c1de9cdc0c180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.113292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047909/manifest.json
observed 3f5d4e505f8db7ce0a8e704b615ae4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.093958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047909/publication.md
observed 6fa502176ef06b57dd5da6c9b37f9e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.073686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047909/publication.txt
observed 35cfcc9bfdc34ce6e56987ae56792eb8...
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.