Pith Number

pith:7WA5JO7N

pith:2025:7WA5JO7NQQVUKEHOMLA4GGMFA4

not attested not anchored not stored refs pending

Non-coercive extortion in game theory

David Wolpert, J\"urgen Jost, Maria Alejandra Ramirez, Rosemarie Nagel

arxiv:2507.21795 v1 · 2025-07-29 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WA5JO7NQQVUKEHOMLA4GGMFA4}

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	2026-07-05T11:45:07.653463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd81d4bbed842b4510ee62c1c31985070ea5ef3f0a03d7077a529bdbfd2c25f5

Aliases

arxiv: 2507.21795 · arxiv_version: 2507.21795v1 · doi: 10.48550/arxiv.2507.21795 · pith_short_12: 7WA5JO7NQQVU · pith_short_16: 7WA5JO7NQQVUKEHO · pith_short_8: 7WA5JO7N

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/7WA5JO7NQQVUKEHOMLA4GGMFA4 \
  | 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: fd81d4bbed842b4510ee62c1c31985070ea5ef3f0a03d7077a529bdbfd2c25f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b9e8de95a5a1fbf557ff2e5a661694f7883138b3b1555b5cddeef4060abf309",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2025-07-29T13:31:29Z",
    "title_canon_sha256": "3d22e7eaaccb97198b2af63ae8eee552f35601cc63543038a1994c20578da0ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21795",
    "kind": "arxiv",
    "version": 1
  }
}