OpenTechnical

OT-2026-000055408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000055408) never changes.

Identity and time

Publication numberOT-2026-000055408 · never reused
Internal UUID01a0ae86-a101-7051-8447-491465fcf908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055408
StatusPUBLIC

Content hashes

Canonical text577db559996412a46720eade993df678d68ec0a963f8876768e48468b1c2e15e
Markdown9e8e95ee8740738ceea5b051eeb54b49811b8b5ceb8daffc22758ed4de1e73a4
PDF
Publication page38ebf9c49b530654ad78d2b13b30e93a068855bfc51c10a7705ed914dfbfe841
Manifest9a79194c94f8890fd919c4dccf60d0017e37d80fe791610f40fd5e580b95b9c4

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
Signature/FFKqf4QG40NxXD0vai+6WQvbDYtfFDqNaf52UkPnUY70pzX87WJ4MUvPEzfurmMY/BUq4E76g3Abf+H9KfEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:03.058272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055408
observed 38ebf9c49b530654ad78d2b13b30e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.041032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055408/manifest.json
observed 9a79194c94f8890fd919c4dccf60d001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.000619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055408/publication.md
observed 9e8e95ee8740738ceea5b051eeb54b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.964857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055408/publication.txt
observed 577db559996412a46720eade993df678...
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.