Pith Number

pith:U6JVSBWX

pith:2014:U6JVSBWXEZKV6YP6GD2YQALBSS

not attested not anchored not stored refs pending

Optimization and improvement of Halbach cylinder design

A. Smith, C. R. H. Bahl, N. Pryds, R. Bj{\o}rk

arxiv:1409.3859 v1 · 2014-09-08 · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6JVSBWXEZKV6YP6GD2YQALBSS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:42:53.490589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7935906d726555f61fe30f5880161949ddfc4c1b9f5dbe4ba95f2bc7a0c23fe

Aliases

arxiv: 1409.3859 · arxiv_version: 1409.3859v1 · doi: 10.48550/arxiv.1409.3859 · pith_short_12: U6JVSBWXEZKV · pith_short_16: U6JVSBWXEZKV6YP6 · pith_short_8: U6JVSBWX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/U6JVSBWXEZKV6YP6GD2YQALBSS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a7935906d726555f61fe30f5880161949ddfc4c1b9f5dbe4ba95f2bc7a0c23fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e7ac5efee7701366f845384c6672c70c827e92f3e0f1b36354918a78acf41f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2014-09-08T06:48:10Z",
    "title_canon_sha256": "7640c7e97391205fdcd514eec01fb6b2390e468164e9019c58540779f2026e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3859",
    "kind": "arxiv",
    "version": 1
  }
}