OpenTechnical

OT-2026-000049583

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000049583) never changes.

Identity and time

Publication numberOT-2026-000049583 · never reused
Internal UUID01a0ae81-8f7d-7277-aab0-8ad61d9ec849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049583
StatusPUBLIC

Content hashes

Canonical textfb5c56d84343e324803ef895c634df58d8c04c4072faab1ed76412527a315385
Markdowna593974ceff39b44169a06c965e37ba85d975defc0a130ad17f931799617c065
PDF
Publication pagee02599952e8f7f564bea28f9fbb2542758508165454da54abf5344b3d600a8bc
Manifest1c04510bc9053eb37928480189d495a7b173d2ca41bd4bfb1de6041da651ecc2

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
SignatureCi3K3mydzQ9nENFq6gCVpE4iwb9et2QewcQu/5K2BafNOQ4c0Rv/XW27FmF4Cy1NyE0aWnjbW7MHbWJyLYmjAA==
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

2026-09-17T11:02:33.356102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049583
observed e02599952e8f7f564bea28f9fbb25427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.337837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049583/manifest.json
observed 1c04510bc9053eb37928480189d495a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.318832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049583/publication.md
observed a593974ceff39b44169a06c965e37ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.300913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049583/publication.txt
observed fb5c56d84343e324803ef895c634df58...
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.