Pith Number

pith:GBCWNBNG

pith:2020:GBCWNBNGRNBIX4YLWQSEWBT5EB

not attested not anchored not stored refs pending

Magnetic-field modeling with surface currents: Implementation and usage of bfieldtools

Antti J. M\"akinen, Joonas Iivanainen, Koos C. J. Zevenhoven, Lauri Parkkonen, Rasmus Zetter, Risto J. Ilmoniemi

arxiv:2005.10056 v2 · 2020-05-20 · physics.comp-ph · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBCWNBNGRNBIX4YLWQSEWBT5EB}

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	2026-07-05T01:27:03.528117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30456685a68b428bf30bb4244b067d205ca054cced3c9df41b52798f28a5533c

Aliases

arxiv: 2005.10056 · arxiv_version: 2005.10056v2 · doi: 10.48550/arxiv.2005.10056 · pith_short_12: GBCWNBNGRNBI · pith_short_16: GBCWNBNGRNBIX4YL · pith_short_8: GBCWNBNG

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/GBCWNBNGRNBIX4YLWQSEWBT5EB \
  | 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: 30456685a68b428bf30bb4244b067d205ca054cced3c9df41b52798f28a5533c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3029f64fc4003471541477d56bb864b3f2da00760763c757351cdae4cffe186",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-05-20T14:05:23Z",
    "title_canon_sha256": "e537dea94da483b74c7486575bb008dfa82fd33a06f86c18051624cb573d523c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10056",
    "kind": "arxiv",
    "version": 2
  }
}