OpenTechnical

OT-2026-000075359

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000075359) never changes.

Identity and time

Publication numberOT-2026-000075359 · never reused
Internal UUID01a0ae93-f201-77c0-a5a9-eeff1c92e4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075359
StatusPUBLIC

Content hashes

Canonical text6e9fc7775a5a09635ccac2ba8bb225393924e09fdf6040901412ff0e14961436
Markdownac067dc27b117ccc1f94e60ba39c309a14ad06337a117e5971ae0c177c202428
PDF
Publication pagea6595df281367d9e3ca6bc02df5fc084aa8553a3410361c3b128e0ed3bd06981
Manifest3eede883cf8b958a79738a70793365b2acf15b3361cc20e2c2f0bfb0789b5dff

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
SignaturecHRa14qe3Yv3EHGsuS2Bzjm/TzqumOoT+uAJ093VJ2h23jMI2JqxF0UowTmhqMl+ABSlNpqTSVNbZASTuX4/Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:20.453946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075359
observed a6595df281367d9e3ca6bc02df5fc084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.312977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075359/manifest.json
observed 3eede883cf8b958a79738a70793365b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.296280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075359/publication.md
observed ac067dc27b117ccc1f94e60ba39c309a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.277173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075359/publication.txt
observed 6e9fc7775a5a09635ccac2ba8bb22539...
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.