Pith Number

pith:DTQ7FODO

pith:2011:DTQ7FODOEV72EFOBO4DSFPGU4B

not attested not anchored not stored refs pending

An Empirical Investigation on Important Subgraphs in Cooperation-Competition networks

Ai-Fen Liu, A.-X. Feng, C.-H. Fu, D.-R. He, G.-L. Feng, H. Chang, X.-L. Xu

arxiv:1105.1421 v5 · 2011-05-07 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTQ7FODOEV72EFOBO4DSFPGU4B}

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	2026-05-18T04:14:07.652833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ce1f2b86e257fa215c1770722bcd4e057f9001c5eddfb2089d836bf86bde096

Aliases

arxiv: 1105.1421 · arxiv_version: 1105.1421v5 · doi: 10.48550/arxiv.1105.1421 · pith_short_12: DTQ7FODOEV72 · pith_short_16: DTQ7FODOEV72EFOB · pith_short_8: DTQ7FODO

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/DTQ7FODOEV72EFOBO4DSFPGU4B \
  | 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: 1ce1f2b86e257fa215c1770722bcd4e057f9001c5eddfb2089d836bf86bde096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a2b0d931e556d552f2b9576af41766042937873f299107e81e5eda83a2d7fd",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-05-07T07:54:15Z",
    "title_canon_sha256": "a2f7a7435676d18c07b1742f03e63f48c46ef2414153bddf9dd60d4259396652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1421",
    "kind": "arxiv",
    "version": 5
  }
}