Pith Number

pith:EPQDNT4A

pith:2009:EPQDNT4AOKXJJQ6UZJYCLT5G6Z

not attested not anchored not stored refs pending

Two-body problem in graphene

F. Guinea, F. Sols, J.Sabio

arxiv:0911.0376 v3 · 2009-11-02 · 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{EPQDNT4AOKXJJQ6UZJYCLT5G6Z}

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	2026-05-18T04:20:23.457751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e036cf8072ae94c3d4ca7025cfa6f66c263364689cee15d78be620be6f0e24

Aliases

arxiv: 0911.0376 · arxiv_version: 0911.0376v3 · doi: 10.48550/arxiv.0911.0376 · pith_short_12: EPQDNT4AOKXJ · pith_short_16: EPQDNT4AOKXJJQ6U · pith_short_8: EPQDNT4A

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/EPQDNT4AOKXJJQ6UZJYCLT5G6Z \
  | 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: 23e036cf8072ae94c3d4ca7025cfa6f66c263364689cee15d78be620be6f0e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa11429f3c888054c6e5bff2127b0ee6c2e26c6440d8f8520a3c6058000f162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-11-02T18:22:59Z",
    "title_canon_sha256": "56b685c16539109f8d8a05393b1bdf4b4ff63a56f34559c745835223abfa5a09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0376",
    "kind": "arxiv",
    "version": 3
  }
}