Pith Number

pith:BC72F2JF

pith:1998:BC72F2JF46VZBFJF4AIOPSIIOD

not attested not anchored not stored refs pending

Perturbative Evidence of Non-Universality in the Quantized Hall Conductivity of a Disordered Relativistic 2D Electron Gas

C. A. A. de Carvalho, N. Bralic, P. Donatis, R. M. Cavalcanti

arxiv:cond-mat/9804222 v2 · 1998-04-21 · 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{BC72F2JF46VZBFJF4AIOPSIIOD}

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	2026-05-18T01:39:30.770237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08bfa2e925e7ab909525e010e7c90870da3b6269166054fcd13926c2bb2cd373

Aliases

arxiv: cond-mat/9804222 · arxiv_version: cond-mat/9804222v2 · doi: 10.48550/arxiv.cond-mat/9804222 · pith_short_12: BC72F2JF46VZ · pith_short_16: BC72F2JF46VZBFJF · pith_short_8: BC72F2JF

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/BC72F2JF46VZBFJF4AIOPSIIOD \
  | 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: 08bfa2e925e7ab909525e010e7c90870da3b6269166054fcd13926c2bb2cd373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90aa029247cbd2f8f9eced7564b68348c83e989203d4e203c1a2f30cc3afe2a1",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "1998-04-21T03:58:06Z",
    "title_canon_sha256": "005bb7a91a539ab194ee01b159d8081ccc44292fbac9c61c30065b03f0b92248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9804222",
    "kind": "arxiv",
    "version": 2
  }
}