OpenTechnical

OT-2026-000048121

Publication integrity record

Six cup vacuum gripper, six 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-2026-000048121) never changes.

Identity and time

Publication numberOT-2026-000048121 · never reused
Internal UUID01a0ae7f-c424-784f-b053-c7e61b6e61bb · 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-2026-000048121
StatusPUBLIC

Content hashes

Canonical textb4b83df270fb9017b6041b6fe0e382bb3eddc7beca330be1f1be7879054a77ab
Markdownf469bad8c14a36a8cef4bf970ded3e3e2eccd1fd5fdd139939099b2ce0b4bd43
PDF
Publication pagedc7192fbeb075d7e36662f7d4264becab36cf86a7a55666530b3058312c20712
Manifestf923f08eeec73c1100707779173ff2265399cab3b2a7e504a781004beeff6af6

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
SignatureorKskNOE0pH31/3zraYVdZu2llTNgXUjEIJTDtBA4cDeGWRx4XOgqd0MZf3JFr0Ob3wqnwtY4N22jJd90xbdDw==
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

2026-09-17T11:06:09.490585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048121
observed dc7192fbeb075d7e36662f7d4264beca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.470811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048121/manifest.json
observed f923f08eeec73c1100707779173ff226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.442678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048121/publication.md
observed f469bad8c14a36a8cef4bf970ded3e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.419295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048121/publication.txt
observed b4b83df270fb9017b6041b6fe0e382bb...
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.