OpenTechnical

OT-2026-000049967

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000049967) never changes.

Identity and time

Publication numberOT-2026-000049967 · never reused
Internal UUID01a0ae81-fd77-7963-9af2-5817b3f61f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049967
StatusPUBLIC

Content hashes

Canonical textf8901c911a31f88e462e1e6c874c633c6d4235c2beff82832d352b0fbf70da15
Markdownd88e37eae062cdb8d425cb4bd5e49ccb761ee5da420dea8170965bb2a1b83279
PDF
Publication pagef63d2f7d42c00a72015b617112fc5dc019f66337ea224a3feda3c8bc428eb915
Manifest8b32817159c10b47d3c6bc0253cd7db3d1f66d0435504eda1f826318eb051f49

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
SignatureP0mnvyEynlBtnibYxEzNwfprI2T7KLGxPhvXVh1/+9jFxaJRd5Qcoz/UMdq8DtOHJg8RuvmzzZHLYXZyLpqPAQ==
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

2026-09-17T11:01:54.853047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049967
observed f63d2f7d42c00a72015b617112fc5dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.835055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049967/manifest.json
observed 8b32817159c10b47d3c6bc0253cd7db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.815370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049967/publication.md
observed d88e37eae062cdb8d425cb4bd5e49ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.795105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049967/publication.txt
observed f8901c911a31f88e462e1e6c874c633c...
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.