Pith Number

pith:XNOPB5V7

pith:2012:XNOPB5V7MWIPRMZNGCX7YZ5DB5

not attested not anchored not stored refs pending

Ground state properties of graphene in Hartree-Fock theory

Christian Hainzl, Christof Sparber, Mathieu Lewin

arxiv:1203.5016 v1 · 2012-03-22 · math-ph · cond-mat.mes-hall · cond-mat.other · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNOPB5V7MWIPRMZNGCX7YZ5DB5}

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	2026-05-18T01:58:04.486032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5cf0f6bf6590f8b32d30affc67a30f7c1d9fb4c2527a46919058e0b9fe89c2

Aliases

arxiv: 1203.5016 · arxiv_version: 1203.5016v1 · doi: 10.48550/arxiv.1203.5016 · pith_short_12: XNOPB5V7MWIP · pith_short_16: XNOPB5V7MWIPRMZN · pith_short_8: XNOPB5V7

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/XNOPB5V7MWIPRMZNGCX7YZ5DB5 \
  | 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: bb5cf0f6bf6590f8b32d30affc67a30f7c1d9fb4c2527a46919058e0b9fe89c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac3bbcadc19d929923fc9bf19b87362d9413c8651e34a8f82c7852bc1425e07",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.other",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-03-22T15:25:47Z",
    "title_canon_sha256": "4dc3720d976e8e03b90a8d55cca8bd350cf82cc6bf8c351da3a9f6e4ae84217e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5016",
    "kind": "arxiv",
    "version": 1
  }
}