OpenTechnical

OT-2026-000022090

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off before 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-2026-000022090) never changes.

Identity and time

Publication numberOT-2026-000022090 · never reused
Internal UUID01a0ae6f-bb5c-7591-89d4-07f0104587bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022090
StatusPUBLIC

Content hashes

Canonical text96bbb44b3a5f0b3d6dc62c9066b04283cb7fb5683c8ae6573803125e5f62b552
Markdownfc7fdc85d476e683d81de8ed460df47ebc78d00f10be1e2c73a729dd2a8e6035
PDF
Publication page1e0963d5348d082a09ec2e88fed4e6470d445513771348705a79fd748649dd63
Manifest7807061a635b0dec9247d611df8a2d4c11cc2fa8caec678da171834dbc644e38

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
SignaturecmHHdApRvupvgkBQgu9z2o6xTTCLPiW8NQov2lh6n6ePdQf2T/qdA7vvR5pBH9KTgAfKuZtHGZF71d6qgfegDg==
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

2026-09-17T11:54:47.283129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022090
observed 1e0963d5348d082a09ec2e88fed4e647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.263240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022090/manifest.json
observed 7807061a635b0dec9247d611df8a2d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.244082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022090/publication.md
observed fc7fdc85d476e683d81de8ed460df47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.226133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022090/publication.txt
observed 96bbb44b3a5f0b3d6dc62c9066b04283...
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.