OpenTechnical

OT-2026-000065503

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000065503) never changes.

Identity and time

Publication numberOT-2026-000065503 · never reused
Internal UUID01a0ae8e-46f9-7ba0-af7b-db637ecf38df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065503
StatusPUBLIC

Content hashes

Canonical text2359cc9b61aebd7b2996c18a19c44fdb44c26cc251cddd6f5e0d587e3b168996
Markdown7359aebfb82e825be04c5b3bf6c44da724159cfe1e528293c04539d300674591
PDF
Publication page18d82c47eeaaf76e88d3ca264a4b4b22e0a67630bde5b2bd88c238af6f32a1fa
Manifestb40ffdbf79524c441b8823212c76ae08c3f8437c696390ee65baaa5e53f83c59

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
SignatureCS6hC3et52HWtLRxgTaV3b2xscK5Wdwq2EgE+0L1cKfOasq5xYFm8H2qLhtMzfvRGaATcV226dOL4fXbkKmNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:47.742394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065503
observed 18d82c47eeaaf76e88d3ca264a4b4b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.726408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065503/manifest.json
observed b40ffdbf79524c441b8823212c76ae08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.709308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065503/publication.md
observed 7359aebfb82e825be04c5b3bf6c44da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.690214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065503/publication.txt
observed 2359cc9b61aebd7b2996c18a19c44fdb...
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.