Pith Number

pith:KINU4U2A

pith:2025:KINU4U2AY6BE3FQZRSTPS27GQV

not attested not anchored not stored refs pending

Evolution favours positively biased reasoning in sequential interactions with high future gains

Elias Fernandez Domingos, Jorge M. Pacheco, Marco Saponara, Tom Lenaerts

arxiv:2508.20799 v1 · 2025-08-28 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KINU4U2AY6BE3FQZRSTPS27GQV}

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	2026-07-05T12:01:11.178773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

521b4e5340c7824d96198ca6f96be68549e268c1eda008c8e20fd18560883e16

Aliases

arxiv: 2508.20799 · arxiv_version: 2508.20799v1 · doi: 10.48550/arxiv.2508.20799 · pith_short_12: KINU4U2AY6BE · pith_short_16: KINU4U2AY6BE3FQZ · pith_short_8: KINU4U2A

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/KINU4U2AY6BE3FQZRSTPS27GQV \
  | 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: 521b4e5340c7824d96198ca6f96be68549e268c1eda008c8e20fd18560883e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6134ca962a340caf0f70036c747bf7e9b3fd292ce5b1147764f1003ff0a33759",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2025-08-28T14:01:54Z",
    "title_canon_sha256": "f623901982176079154c0f564923e84290f81f98f06d48c8847632506a75012b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20799",
    "kind": "arxiv",
    "version": 1
  }
}