OpenTechnical

OT-2026-000047941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000047941) never changes.

Identity and time

Publication numberOT-2026-000047941 · never reused
Internal UUID01a0ae7f-c422-7cf3-b944-7832d1594582 · 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-2026-000047941
StatusPUBLIC

Content hashes

Canonical text7a92aebcc18aaa9ba8cfec79e6114b23ec3b9fdf5438b5ac43c05501a3273547
Markdown4a6cc1494a9f3716c55db9de545544c43c7d02cfba2ddc473af4265ad8701dd5
PDF
Publication pageb90e78cde01a758d7070a1a7f15e91a00c6b7d247d000ddbc119935bd25e446b
Manifest17a471ec81b0f8ea1bbf9c5548e4c4e9a9b8256d4345564dee093061080433f6

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
Signature9kRIU/gDOnRzhF5yWdcsd35ntxd6OfITBGeAPdlRGanzJBTEuG6YyZbspHh3jKVrUEaVeANgJefZ+2rGQfWEDA==
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

2026-09-17T11:05:54.410771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047941
observed b90e78cde01a758d7070a1a7f15e91a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.391373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047941/manifest.json
observed 17a471ec81b0f8ea1bbf9c5548e4c4e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.370628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047941/publication.md
observed 4a6cc1494a9f3716c55db9de545544c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.352339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047941/publication.txt
observed 7a92aebcc18aaa9ba8cfec79e6114b23...
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.