Pith Number

pith:4AV7RSDR

pith:2018:4AV7RSDRGXDZTHGAGM67NXQNR4

not attested not anchored not stored refs pending

The Dynamics of Norm Change in the Cultural Evolution of Language

Albert D\'iaz-Guilera, Andrea Baronchelli, Lucas Lacasa, Roberta Amato

arxiv:1809.04328 v1 · 2018-09-12 · physics.soc-ph · cs.MA · 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{4AV7RSDRGXDZTHGAGM67NXQNR4}

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	2026-05-18T00:05:52.721461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e02bf8c87135c7999cc0333df6de0d8f03ed5038e5319243eaf59c90f807f048

Aliases

arxiv: 1809.04328 · arxiv_version: 1809.04328v1 · doi: 10.48550/arxiv.1809.04328 · pith_short_12: 4AV7RSDRGXDZ · pith_short_16: 4AV7RSDRGXDZTHGA · pith_short_8: 4AV7RSDR

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/4AV7RSDRGXDZTHGAGM67NXQNR4 \
  | 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: e02bf8c87135c7999cc0333df6de0d8f03ed5038e5319243eaf59c90f807f048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1561c9853afac6d0d0d90a620f4e0d522095d768ca9f2ebf229fee7ce6db1476",
    "cross_cats_sorted": [
      "cs.MA",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-09-12T09:31:31Z",
    "title_canon_sha256": "7594c5e1fa3ba20ea24ac084bde419f9495d19df471dcd86abdadcabb15e7eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04328",
    "kind": "arxiv",
    "version": 1
  }
}