Pith Number

pith:QXQRJQSQ

pith:2012:QXQRJQSQK4IZ3G3HU75ZNEICNH

not attested not anchored not stored refs pending

A comparative study of density functional and density functional tight binding calculations of defects in graphene

Abu Yaya, Alberto Zobelli, Chris P. Ewels, Irene Suarez-Martinez, Philipp Wagner, Viktoria V. Ivanovskaya

arxiv:1207.3194 v1 · 2012-07-13 · cond-mat.mtrl-sci · 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{QXQRJQSQK4IZ3G3HU75ZNEICNH}

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	2026-05-18T03:51:03.145841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e114c25057119d9b67a7fb96910269d555a84236b2d800177aea67ac6b5ea9

Aliases

arxiv: 1207.3194 · arxiv_version: 1207.3194v1 · doi: 10.48550/arxiv.1207.3194 · pith_short_12: QXQRJQSQK4IZ · pith_short_16: QXQRJQSQK4IZ3G3H · pith_short_8: QXQRJQSQ

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/QXQRJQSQK4IZ3G3HU75ZNEICNH \
  | 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: 85e114c25057119d9b67a7fb96910269d555a84236b2d800177aea67ac6b5ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c193847faf5d8c6a3cc5cdec5d2d1b2ba4383df87be48ae812894061a38653",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-07-13T10:38:48Z",
    "title_canon_sha256": "539e4af82774428c3fd54534bec5ab036488661091a6b89e2ef64ba87483a86c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3194",
    "kind": "arxiv",
    "version": 1
  }
}