OpenTechnical

OT-2026-000049683

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000049683) never changes.

Identity and time

Publication numberOT-2026-000049683 · never reused
Internal UUID01a0ae81-8fee-7cf0-bf03-2cacb333d34c · 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-2026-000049683
StatusPUBLIC

Content hashes

Canonical textd6fd0749fe282b69aa4ebfdb24141266662c641b56cd0ef1393640579ab2bc1c
Markdownb2e47606db3e593db8a01744d49e572f20942a98d9b1ed6e804a0a47e9642408
PDF
Publication pageaed45c8e157bccb86c1d807b2242c8f65fdbdc77848762174fc920407954c764
Manifest7a90cf07f0e006fa1f08232bc74503fe779f1d227e2668bb42566fe7b37fb535

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
SignaturegfnhtyQANg6HwFfcVTzthlbuwdoja1agOGcQtv8g7V0KeA3HILaTBsELGYuoNVe0jJKyT1LT0qKoSza2WqReCQ==
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

2026-09-17T11:02:41.520248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049683
observed aed45c8e157bccb86c1d807b2242c8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.502259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049683/manifest.json
observed 7a90cf07f0e006fa1f08232bc74503fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.481942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049683/publication.md
observed b2e47606db3e593db8a01744d49e572f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.461970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049683/publication.txt
observed d6fd0749fe282b69aa4ebfdb24141266...
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.