Pith Number

pith:7JZM52KY

pith:2025:7JZM52KY2HWX6JNHK3DGX4DKOA

not attested not anchored not stored refs pending

Cross-Subreddit Behavior as Open-Source Indicators of Coordinated Influence: A Case Study of r/Sino & r/China

Ian McCulloh, Manon Pilaud

arxiv:2507.16857 v1 · 2025-07-21 · 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{7JZM52KY2HWX6JNHK3DGX4DKOA}

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	2026-07-05T11:41:57.290495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa72cee958d1ed7f25a756c66bf06a701254ef7d71ad16328e73845806bc14dd

Aliases

arxiv: 2507.16857 · arxiv_version: 2507.16857v1 · doi: 10.48550/arxiv.2507.16857 · pith_short_12: 7JZM52KY2HWX · pith_short_16: 7JZM52KY2HWX6JNH · pith_short_8: 7JZM52KY

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/7JZM52KY2HWX6JNHK3DGX4DKOA \
  | 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: fa72cee958d1ed7f25a756c66bf06a701254ef7d71ad16328e73845806bc14dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc71556f8d66cb6ecfe84fa8a5a3c94d36033a35ed39f759813f70f68c2296b4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-07-21T15:21:17Z",
    "title_canon_sha256": "55fe2e1e0a0f9d4de46d77a8928ab4773cd291b847adc3898b70444da4b41ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16857",
    "kind": "arxiv",
    "version": 1
  }
}