pith. sign in
Pith Number

pith:2V2F7GX2

pith:2013:2V2F7GX2MQP2UIUV4MBEV4TR5L
not attested not anchored not stored refs pending

Energy-gap Opening and Quenching in Graphene under Periodic External Potentials

Aihua Zhang, Chun Zhang, Lei Shi, Yuan Ping Feng, Zhenxiang Dai

arxiv:1311.5716 v1 · 2013-11-22 · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2V2F7GX2MQP2UIUV4MBEV4TR5L}

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 2026-05-18T03:06:12.662989Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d5745f9afa641faa2295e3024af271eae5122b34ff136639590a5ec4da015f1d

Aliases

arxiv: 1311.5716 · arxiv_version: 1311.5716v1 · doi: 10.48550/arxiv.1311.5716 · pith_short_12: 2V2F7GX2MQP2 · pith_short_16: 2V2F7GX2MQP2UIUV · pith_short_8: 2V2F7GX2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2V2F7GX2MQP2UIUV4MBEV4TR5L \
  | 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: d5745f9afa641faa2295e3024af271eae5122b34ff136639590a5ec4da015f1d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4fbff59f64c4160817c7508ef86538871d626f9b4bd78599ca3bbd2eedd20020",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2013-11-22T11:07:49Z",
    "title_canon_sha256": "4ecbd3ad3f397c56cdcabe1c05759ffa32c4ee6d5797b5115c2bdadf770db31c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5716",
    "kind": "arxiv",
    "version": 1
  }
}