OpenTechnical

OT-2026-000048855

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000048855) never changes.

Identity and time

Publication numberOT-2026-000048855 · never reused
Internal UUID01a0ae81-134a-7664-a513-7eec9b393ad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048855
StatusPUBLIC

Content hashes

Canonical text25d2785229fa038f60f3b98f90c5a4407669a96eda7e2d2ac8710925dfd4d298
Markdowna4341b7c467cfd563b4ca08c6829e1a2e03afa411cee2288fdb0719c88502fae
PDF
Publication pagea1f547bbc486f8d21bc4731b2491c6508574457859724c85c92efef2fd2868fe
Manifestb36f3360bb8f44d551034057a8f055a9d68a21b8d24852357aa9a088ba64309a

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
Signature+rKOZDc2jmo49ClV2ilkxytDXbD/QZTBDEyCfiPKdg7FiYIjS1xM2LBf07MIzTfYOik6ohZ2dWRx9I1wPXb3DQ==
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

2026-09-17T11:03:00.161742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048855
observed a1f547bbc486f8d21bc4731b2491c650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.143020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048855/manifest.json
observed b36f3360bb8f44d551034057a8f055a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.125621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048855/publication.md
observed a4341b7c467cfd563b4ca08c6829e1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.105771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048855/publication.txt
observed 25d2785229fa038f60f3b98f90c5a440...
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.