OpenTechnical

OT-2026-000052235

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000052235) never changes.

Identity and time

Publication numberOT-2026-000052235 · never reused
Internal UUID01a0ae83-e790-7807-9605-2eaa3eb4d03f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052235
StatusPUBLIC

Content hashes

Canonical text3bcb7acecec46ce274a09e54efb7305e2c99f5480187585b237043993b08e433
Markdown4f295672f7b6f2e19ff67dbd39a8dcff4ec22f2ccca41849ddffd771d0bceb24
PDF
Publication page8f6d4fcd0b56ff9d2356abc348d5c16f1eba8f7d1cb2f71d019f01263fabbbf6
Manifestec75b43a21aa658d53dee7df7a6f25c6c7d2eb46ccf7c653f4143eb996353457

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
Signature77GI9z2njcxIbpjJ3reElPHuyUASkA42X96c+dVLWENevTy8YdbAtw8G/1I0KYRMEHLWEg5K9QAiRGrWBDF5DQ==
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

2026-09-17T10:57:48.669933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052235
observed 8f6d4fcd0b56ff9d2356abc348d5c16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.652388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052235/manifest.json
observed ec75b43a21aa658d53dee7df7a6f25c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.633966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052235/publication.md
observed 4f295672f7b6f2e19ff67dbd39a8dcff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.615965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052235/publication.txt
observed 3bcb7acecec46ce274a09e54efb7305e...
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.