OpenTechnical

OT-2026-000017255

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017255) never changes.

Identity and time

Publication numberOT-2026-000017255 · never reused
Internal UUID01a0ae6e-76c8-7527-a095-d534f132920e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017255
StatusPUBLIC

Content hashes

Canonical text0c7c040d511344c562a9b20f8fcaf2016bc093552f9ba60047bad80032e69c1a
Markdownc8f473d3b5a406f7a848be9ae01df70890710f880a5cf33d79fad468535e73ed
PDF
Publication page55e40410e83a410b6802899f88c907edab370a95481306d12a13ed52659a6187
Manifestf62ff74ad8e6d83513aa441300612d5e223cbe21dc81d3526a4f2a1cfeaff45b

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
SignaturetGcaGLvkWog1O4WWk5louHCkGDINvsESYXBzcevMrAlGjQI/wp+GYAvdtBRb6QGAGv5v5uvy3HVqGwQRBe0tAA==
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

2026-09-17T12:02:20.538041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017255
observed 55e40410e83a410b6802899f88c907ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.519609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017255/manifest.json
observed f62ff74ad8e6d83513aa441300612d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.499741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017255/publication.md
observed c8f473d3b5a406f7a848be9ae01df708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.482269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017255/publication.txt
observed 0c7c040d511344c562a9b20f8fcaf201...
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.