Pith Number

pith:2BESM2A4

pith:2015:2BESM2A4R5O56WEOKRYDGY4XV6

not attested not anchored not stored refs pending

Massless Dirac cones in graphene: experiments and theory

D. Pacil\`e, E. Cappelluti, L. Benfatto, M. Papagno, P. Moras, P.M. Sheverdyaeva

arxiv:1502.07553 v1 · 2015-02-26 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BESM2A4R5O56WEOKRYDGY4XV6}

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	2026-05-18T02:26:03.389232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04926681c8f5ddf588e5470336397afa2d1614c66c331a427e1af15e7e29ca6

Aliases

arxiv: 1502.07553 · arxiv_version: 1502.07553v1 · doi: 10.48550/arxiv.1502.07553 · pith_short_12: 2BESM2A4R5O5 · pith_short_16: 2BESM2A4R5O56WEO · pith_short_8: 2BESM2A4

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/2BESM2A4R5O56WEOKRYDGY4XV6 \
  | 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: d04926681c8f5ddf588e5470336397afa2d1614c66c331a427e1af15e7e29ca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c4b44eb97a4f60b7f8c0f403c2070c9b8e4da3710c84845f32d11d887b6de9",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-02-26T13:59:29Z",
    "title_canon_sha256": "a9fcb29f7c9134b40c14be9cf5ac6ad2b5bcd6f1bbdf19d9f36ef839bf29569e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07553",
    "kind": "arxiv",
    "version": 1
  }
}