OpenTechnical

OT-2026-000045349

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000045349) never changes.

Identity and time

Publication numberOT-2026-000045349 · never reused
Internal UUID01a0ae7c-f76b-7063-a511-f3fbdc7addcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045349
StatusPUBLIC

Content hashes

Canonical textcfd1e3609c97e33a199a5479b134565d23d235d0a46a209948911bd442c8a1bf
Markdown503fdfe81394b434952386c0db9299e7e50dc556282254cf22090903b6e9d77f
PDF
Publication page88a20e4064fc1ec6d72860b525acf3a3bc81bece861312e03245b6a362ae0fc2
Manifeste0990a3f2e5a7646b204c189b4441ccc881c556f8d79c08b74af0342306a19f1

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
Signature0mZOdpQar5g8ovUqkGUjwDPbshsonkRp8aEeHDiL0uYHlULVo/qdaKIa5/f1oZnOUHC8jVjYVjiOgds+XNdXBw==
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

2026-09-17T11:10:36.680569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045349
observed 88a20e4064fc1ec6d72860b525acf3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.661770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045349/manifest.json
observed e0990a3f2e5a7646b204c189b4441ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.641983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045349/publication.md
observed 503fdfe81394b434952386c0db9299e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.623437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045349/publication.txt
observed cfd1e3609c97e33a199a5479b134565d...
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.