OpenTechnical

OT-2026-000052395

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000052395) never changes.

Identity and time

Publication numberOT-2026-000052395 · never reused
Internal UUID01a0ae83-e792-7950-befd-423337865c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052395
StatusPUBLIC

Content hashes

Canonical textc1d6fb89b0389c1b91a3b929dbeb1fb609ef8af43f404f752fbd447085c06453
Markdowna874ccd6e913f4a6e44d0a8aa123703732d804fbaee9f5a3d99828320c23850f
PDF
Publication pagee44bc4b7e991c351f99898cd0915e0791cbb2cbb2f3708f8ca810f80dadd556c
Manifestcd70ab54d0ab65344294f74a9fd9cdf9a153c92e2bf4b7fc356610d53e9818e5

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
SignaturefTJrhobvrPPBrzzwv9JPjfYXgF4gpsyYvIzPXrYkLgQLPkPQLhEF9vQdjKymtZIft0HWrFsNETbGRlPztXMgBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:06.144106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052395
observed e44bc4b7e991c351f99898cd0915e079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.125339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052395/manifest.json
observed cd70ab54d0ab65344294f74a9fd9cdf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.108061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052395/publication.md
observed a874ccd6e913f4a6e44d0a8aa1237037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.091721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052395/publication.txt
observed c1d6fb89b0389c1b91a3b929dbeb1fb6...
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.