Pith Number

pith:THLCSM4K

pith:2025:THLCSM4KOIQ7CQKKINRB2U444J

not attested not anchored not stored refs pending

Network reciprocity turns cheap talk into a force for cooperation

Chen Shen, The Anh Han, Zhao Song

arxiv:2507.08876 v1 · 2025-07-10 · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THLCSM4KOIQ7CQKKINRB2U444J}

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.

Cited by

1 paper in Pith

Emergence of Cooperation and Commitment in Optional Prisoner's Dilemma

Receipt and verification

First computed	2026-07-05T11:35:59.855130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d629338a7221f1414a43621d539ce25194d9f6da80b2520a413bd61c5b9c01

Aliases

arxiv: 2507.08876 · arxiv_version: 2507.08876v1 · doi: 10.48550/arxiv.2507.08876 · pith_short_12: THLCSM4KOIQ7 · pith_short_16: THLCSM4KOIQ7CQKK · pith_short_8: THLCSM4K

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/THLCSM4KOIQ7CQKKINRB2U444J \
  | 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: 99d629338a7221f1414a43621d539ce25194d9f6da80b2520a413bd61c5b9c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f6c7be3fef7070d2df2c80ec6d29895fc45e4cdc60f276664a8f06c40ca286",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2025-07-10T04:24:03Z",
    "title_canon_sha256": "e19ce84b3487adb19096ec9ab342cd99b796f3460f4f92f05f040ded04fbe27a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08876",
    "kind": "arxiv",
    "version": 1
  }
}