OpenTechnical

OT-2026-000047398

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000047398) never changes.

Identity and time

Publication numberOT-2026-000047398 · never reused
Internal UUID01a0ae7f-3e57-7b38-b03a-b94060d8c49b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047398
StatusPUBLIC

Content hashes

Canonical text43f5db4db6d37a3ceb671fda97fd71d707528f842aef9c3e193543dc47573750
Markdown76d98cd426d600b0dc67e9427930907051c678a1e84daa482769b3a95a2e6959
PDF
Publication page38570f2e306eb2d706752f39efcbe58052afd73ff38afd36b2c53086f33fbd5a
Manifest1f9c39042602f705b4c65d0f27875f924232d3599189bbcbdb440f8560f08143

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
SignatureRg3c+0cg6clv2JLW08WClHHfCo7MRz+Um2ycUryoF8dYdCJJccwPWj/rU4R50P6jz5i/vt6sAQQaqQ1QPDo8DA==
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

2026-09-17T11:06:24.623633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047398
observed 38570f2e306eb2d706752f39efcbe580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.604878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047398/manifest.json
observed 1f9c39042602f705b4c65d0f27875f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.588398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047398/publication.md
observed 76d98cd426d600b0dc67e94279309070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.569994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047398/publication.txt
observed 43f5db4db6d37a3ceb671fda97fd71d7...
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.