Pith Number

pith:C4PSFVSC

pith:2013:C4PSFVSCH6WZ5TTDVT7DEOQNQT

not attested not anchored not stored refs pending

What are Chinese Talking about in Hot Weibos?

Haixin Ma, Haoyu Gao, Mingmin Yang, Wanqiu Guan, Weining Qian, Xiaoguang Yang, Yuan Li, Zhigang Cao

arxiv:1304.4682 v2 · 2013-04-17 · cs.SI · cs.CY · 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{C4PSFVSCH6WZ5TTDVT7DEOQNQT}

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	2026-05-18T03:26:08.508744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

171f22d6423fad9ece63acfe323a0d84f17a37ca68eeaf1ad9a14a4b826a7d25

Aliases

arxiv: 1304.4682 · arxiv_version: 1304.4682v2 · doi: 10.48550/arxiv.1304.4682 · pith_short_12: C4PSFVSCH6WZ · pith_short_16: C4PSFVSCH6WZ5TTD · pith_short_8: C4PSFVSC

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/C4PSFVSCH6WZ5TTDVT7DEOQNQT \
  | 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: 171f22d6423fad9ece63acfe323a0d84f17a37ca68eeaf1ad9a14a4b826a7d25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70aed0f4e2b3f60bb05b6057a52f73a82d8ce034173e0f53409c8d18e921b1d9",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-04-17T04:25:33Z",
    "title_canon_sha256": "1b29fbc9150473a99035760c824bc139456ae61c28d8c6977f98405dff59ba4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4682",
    "kind": "arxiv",
    "version": 2
  }
}