Pith Number

pith:ERDNUPRI

pith:2020:ERDNUPRIO2E4JXKCTFQYA2GRLY

not attested not anchored not stored refs pending

flatspin: A Large-Scale Artificial Spin Ice Simulator

Anders Str{\o}mberg, Arthur Penty, Erik Folven, Gunnar Tufte, Johannes H. Jensen, Magnus Sj\"alander, Odd Rune Lykkeb{\o}

arxiv:2002.11401 v1 · 2020-02-26 · physics.comp-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERDNUPRIO2E4JXKCTFQYA2GRLY}

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	2026-07-05T04:49:41.034606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2446da3e287689c4dd4299618068d15e14aba65b96c6f6993791aa3b4b978251

Aliases

arxiv: 2002.11401 · arxiv_version: 2002.11401v1 · doi: 10.48550/arxiv.2002.11401 · pith_short_12: ERDNUPRIO2E4 · pith_short_16: ERDNUPRIO2E4JXKC · pith_short_8: ERDNUPRI

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/ERDNUPRIO2E4JXKCTFQYA2GRLY \
  | 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: 2446da3e287689c4dd4299618068d15e14aba65b96c6f6993791aa3b4b978251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68d89013ca77a8d5caa6cee5ad4a3cb4e3204e1eb6c665a9fc0e02c9d4e3802",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-02-26T10:45:56Z",
    "title_canon_sha256": "62662f229142cafc14ab9b929c4a47a8cbf77cee0d27db6f287796abe1157b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11401",
    "kind": "arxiv",
    "version": 1
  }
}