Pith Number

pith:QXYZUFP2

pith:2014:QXYZUFP2QO3N3Q4TUWJSYUHTV6

not attested not anchored not stored refs pending

Empirical studies on the network of social groups: the case of Tencent QQ

Chi Ho Yeung, Linyuan L\"u, Xiao-Pu Han, Zhi-Qiang You

arxiv:1408.5558 v1 · 2014-08-24 · 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{QXYZUFP2QO3N3Q4TUWJSYUHTV6}

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	2026-05-18T01:20:47.433349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85f19a15fa83b6ddc393a5932c50f3af964cdb6496c31ce803ed97552cdbbd32

Aliases

arxiv: 1408.5558 · arxiv_version: 1408.5558v1 · doi: 10.48550/arxiv.1408.5558 · pith_short_12: QXYZUFP2QO3N · pith_short_16: QXYZUFP2QO3N3Q4T · pith_short_8: QXYZUFP2

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/QXYZUFP2QO3N3Q4TUWJSYUHTV6 \
  | 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: 85f19a15fa83b6ddc393a5932c50f3af964cdb6496c31ce803ed97552cdbbd32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "481957543683bed8514df7ac94e528225bcb2bae21915181e1db689d87558fa8",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-08-24T05:05:36Z",
    "title_canon_sha256": "cf29bbcba816872be8b7f3e5edaac9b01e2e88d94d91d40ba236e253c289324f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5558",
    "kind": "arxiv",
    "version": 1
  }
}