Pith Number

pith:7LEGB45I

pith:2009:7LEGB45ICLSQPYUBP333DJQRY3

not attested not anchored not stored refs pending

Coulomb physics in spin ice, from magnetic monopoles to magnetic currents

Claudio Castelnovo

arxiv:0912.3950 v1 · 2009-12-19 · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LEGB45ICLSQPYUBP333DJQRY3}

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	2026-05-18T04:13:45.932555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac860f3a812e507e2817ef7b1a611c6e5fb4c9a03864529e7ecb9b2c93f02c5

Aliases

arxiv: 0912.3950 · arxiv_version: 0912.3950v1 · doi: 10.48550/arxiv.0912.3950 · pith_short_12: 7LEGB45ICLSQ · pith_short_16: 7LEGB45ICLSQPYUB · pith_short_8: 7LEGB45I

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/7LEGB45ICLSQPYUBP333DJQRY3 \
  | 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: fac860f3a812e507e2817ef7b1a611c6e5fb4c9a03864529e7ecb9b2c93f02c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b003de44fe832213f18a989a6e172415c5765d98d54e2c9041a743e60e87aedb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-12-19T23:41:15Z",
    "title_canon_sha256": "81864aa65433d761c930b9cf02ee0f4742192595d5d57870d293c41145555178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3950",
    "kind": "arxiv",
    "version": 1
  }
}