Pith Number

pith:XDBHMNNF

pith:2006:XDBHMNNFEYFTBZRHL3A6YLVF2B

not attested not anchored not stored refs pending

Community structure and ethnic preferences in school friendship networks

H. J. Herrmann, J. Kertesz, M. C. Gonzalez, T. Vicsek

arxiv:physics/0611268 v1 · 2006-11-27 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDBHMNNFEYFTBZRHL3A6YLVF2B}

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	2026-05-18T01:38:04.930814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c27635a5260b30e6275ec1ec2ea5d07c9068d6b60c24d45da3f83617aacc58

Aliases

arxiv: physics/0611268 · arxiv_version: physics/0611268v1 · doi: 10.48550/arxiv.physics/0611268 · pith_short_12: XDBHMNNFEYFT · pith_short_16: XDBHMNNFEYFTBZRH · pith_short_8: XDBHMNNF

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/XDBHMNNFEYFTBZRHL3A6YLVF2B \
  | 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: b8c27635a5260b30e6275ec1ec2ea5d07c9068d6b60c24d45da3f83617aacc58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c22cf1baa0549042c4beb16cf1b977bce1867f21afc562191e85c58e1c5de6c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2006-11-27T18:50:39Z",
    "title_canon_sha256": "074af2a85c6bfd103cea1ca387c70d51ff53ee94674664e2c241dd297d514333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0611268",
    "kind": "arxiv",
    "version": 1
  }
}