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Pith Number

pith:7UGFA34C

pith:2012:7UGFA34CAUQOCRLFGXZMSEP3YV
not attested not anchored not stored refs pending

QED2+1 in graphene: symmetries of Dirac equation in 2+1 dimensions

I. Zasada, J. Slawinska, P. Kosinski, P. Maslanka

arxiv:1203.4094 v1 · 2012-03-19 · cond-mat.mtrl-sci

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7UGFA34CAUQOCRLFGXZMSEP3YV}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T03:41:42.504946Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fd0c506f820520e1456535f2c911fbc5558a6f82baf51ec98895c75e8b6551b7

Aliases

arxiv: 1203.4094 · arxiv_version: 1203.4094v1 · doi: 10.48550/arxiv.1203.4094 · pith_short_12: 7UGFA34CAUQO · pith_short_16: 7UGFA34CAUQOCRLF · pith_short_8: 7UGFA34C
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7UGFA34CAUQOCRLFGXZMSEP3YV \
  | 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: fd0c506f820520e1456535f2c911fbc5558a6f82baf51ec98895c75e8b6551b7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b4dad1138ee7b758d2e09ca837adf21a9a8145014611069c0f4c2c0489cb24b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-03-19T12:42:10Z",
    "title_canon_sha256": "69290532aafd6b82957a987f50f8205a752b29bd3dcd884d5632d053875dbed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4094",
    "kind": "arxiv",
    "version": 1
  }
}