Pith Number

pith:NQBE2XTF

pith:2010:NQBE2XTF7JKWMFPNDLBF23WYNH

not attested not anchored not stored refs pending

Dynamical gap generation in graphene nanoribbons: An effective relativistic field theoretical model

A. Delfino, A. J. Chaves, C. E. Cordeiro, G. D. Lima, O. Oliveira, T. Frederico, W. de Paula

arxiv:1012.1374 v2 · 2010-12-07 · cond-mat.mtrl-sci · 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{NQBE2XTF7JKWMFPNDLBF23WYNH}

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	2026-05-18T04:21:13.468442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c024d5e65fa556615ed1ac25d6ed869f5f9796252412f9e05cccbce6de4b704

Aliases

arxiv: 1012.1374 · arxiv_version: 1012.1374v2 · doi: 10.48550/arxiv.1012.1374 · pith_short_12: NQBE2XTF7JKW · pith_short_16: NQBE2XTF7JKWMFPN · pith_short_8: NQBE2XTF

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/NQBE2XTF7JKWMFPNDLBF23WYNH \
  | 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: 6c024d5e65fa556615ed1ac25d6ed869f5f9796252412f9e05cccbce6de4b704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad3dac158270a2b3718d12ba6b044db540b99cc669b9edac227e79c07413f22",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2010-12-07T01:12:22Z",
    "title_canon_sha256": "1c999714bac9f43ab12824cf5f3a2580a3c630e3922d9bfadb6db7d3e9ce4199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1374",
    "kind": "arxiv",
    "version": 2
  }
}