Pith Number

pith:X77IOKXA

pith:2016:X77IOKXADC5IWRRMG3H6GWVRY2

not attested not anchored not stored refs pending

Cultural Evolution as a Non-Stationary Stochastic Process

Arwen E. Nicholson, Paolo Sibani

arxiv:1608.04203 v1 · 2016-08-15 · 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{X77IOKXADC5IWRRMG3H6GWVRY2}

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	2026-05-18T01:09:04.076743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffe872ae018ba8b462c36cfe35ab1c68de8c6be0dab132a0ed293a694a4f4d1

Aliases

arxiv: 1608.04203 · arxiv_version: 1608.04203v1 · doi: 10.48550/arxiv.1608.04203 · pith_short_12: X77IOKXADC5I · pith_short_16: X77IOKXADC5IWRRM · pith_short_8: X77IOKXA

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/X77IOKXADC5IWRRMG3H6GWVRY2 \
  | 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: bffe872ae018ba8b462c36cfe35ab1c68de8c6be0dab132a0ed293a694a4f4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51550d45b791a1da9ad3f1c6d76c4d9dee98ce8ae39e4cc01ddfb4ed3ee81853",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-08-15T08:31:27Z",
    "title_canon_sha256": "d39116d15f3fad9bf404593379c0144d6d5caa3c0d3904096562648053b54a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04203",
    "kind": "arxiv",
    "version": 1
  }
}