Pith Number

pith:X7KENG4X

pith:2013:X7KENG4XHFRWOIFJM7TK5DVESK

not attested not anchored not stored refs pending

The Evolution of Intelligence

Anne Russon, Liane Gabora

arxiv:1308.5034 v3 · 2013-08-23 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7KENG4XHFRWOIFJM7TK5DVESK}

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	2026-05-17T23:41:22.498691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd4469b9739636720a967e6ae8ea492b27c7b7e1abc4f31c27da1df703a691d

Aliases

arxiv: 1308.5034 · arxiv_version: 1308.5034v3 · doi: 10.48550/arxiv.1308.5034 · pith_short_12: X7KENG4XHFRW · pith_short_16: X7KENG4XHFRWOIFJ · pith_short_8: X7KENG4X

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/X7KENG4XHFRWOIFJM7TK5DVESK \
  | 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: bfd4469b9739636720a967e6ae8ea492b27c7b7e1abc4f31c27da1df703a691d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99873e09d2c472a341884976f7227cde126204fdb60bb1ebf1e3c05a84310f6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-08-23T03:14:31Z",
    "title_canon_sha256": "12061b03409480f8f659f245fe3d195067cbcc8f0612a43a08531930889b07ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5034",
    "kind": "arxiv",
    "version": 3
  }
}