Pith Number

pith:6P6UJQPC

pith:2014:6P6UJQPCWIXX2OQKISPBFUKQFI

not attested not anchored not stored refs pending

Quantum capacitance and Landau parameters of massless Dirac fermions in graphene

Marco Polini, Mikhail I. Katsnelson, Reza Asgari

arxiv:1407.7284 v1 · 2014-07-27 · 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{6P6UJQPCWIXX2OQKISPBFUKQFI}

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	2026-05-18T02:39:37.969718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3fd44c1e2b22f7d3a0a449e12d1502a0e068476e37372071d388ced0666f6d3

Aliases

arxiv: 1407.7284 · arxiv_version: 1407.7284v1 · doi: 10.48550/arxiv.1407.7284 · pith_short_12: 6P6UJQPCWIXX · pith_short_16: 6P6UJQPCWIXX2OQK · pith_short_8: 6P6UJQPC

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/6P6UJQPCWIXX2OQKISPBFUKQFI \
  | 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: f3fd44c1e2b22f7d3a0a449e12d1502a0e068476e37372071d388ced0666f6d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7506df8fdb7bdfad160204486068360baf6b9371d3e16449c8b72ad09de241c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-07-27T21:09:48Z",
    "title_canon_sha256": "be564fd8064bc65ce2e1f10a1804ce6bf73fe6c85ae3f16443694437c29ec42f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7284",
    "kind": "arxiv",
    "version": 1
  }
}