Pith Number

pith:PHC4I2D2

pith:2006:PHC4I2D2RRLO2L7KLLOP2F2GN2

not attested not anchored not stored refs pending

The Quantum Hall Effect in Graphene: Emergent Modular Symmetry and the Semi-circle Law

B.P. Dolan, C.P. Burgess

arxiv:cond-mat/0612269 v1 · 2006-12-12 · cond-mat.mes-hall · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHC4I2D2RRLO2L7KLLOP2F2GN2}

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	2026-07-04T15:28:42.356325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c5c4687a8c56ed2fea5adcfd17466ea2a56848e49bf6f268ca8861f70ec727

Aliases

arxiv: cond-mat/0612269 · arxiv_version: cond-mat/0612269v1 · doi: 10.48550/arxiv.cond-mat/0612269 · pith_short_12: PHC4I2D2RRLO · pith_short_16: PHC4I2D2RRLO2L7K · pith_short_8: PHC4I2D2

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/PHC4I2D2RRLO2L7KLLOP2F2GN2 \
  | 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: 79c5c4687a8c56ed2fea5adcfd17466ea2a56848e49bf6f268ca8861f70ec727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49d3d821affbfbcf5b57d947e6041960a21cc8e687adf86e4be334353191c24",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2006-12-12T16:52:15Z",
    "title_canon_sha256": "99d9b23684e1cb708fc3447f587c1097448c11fabd086f14011ce57847e24e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0612269",
    "kind": "arxiv",
    "version": 1
  }
}