Pith Number

pith:H6I2WMPQ

pith:2026:H6I2WMPQXMT4YEBY6UIKNOEZJG

not attested not anchored not stored refs pending

Billions of Sketches Reveal Hidden Cultural Variation in Human Concepts

Andrea Baronchelli, Arianna Pera, Douglas Guilbeault, Luca Maria Aiello, Mauro Martino, Nima Dehmamy

arxiv:2607.07267 v1 · 2026-07-08 · cs.CY · cs.CL · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6I2WMPQXMT4YEBY6UIKNOEZJG}

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	2026-07-09T01:20:19.380197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f91ab31f0bb27cc1038f510a6b89949a6ca7217fcce9c92dc80ee0fa62c5ed3

Aliases

arxiv: 2607.07267 · arxiv_version: 2607.07267v1 · doi: 10.48550/arxiv.2607.07267 · pith_short_12: H6I2WMPQXMT4 · pith_short_16: H6I2WMPQXMT4YEBY · pith_short_8: H6I2WMPQ

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/H6I2WMPQXMT4YEBY6UIKNOEZJG \
  | 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: 3f91ab31f0bb27cc1038f510a6b89949a6ca7217fcce9c92dc80ee0fa62c5ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61c11732ff056991ec64c794d57a9c6fbb8c86ff13ad7669527ae20e82fcc174",
    "cross_cats_sorted": [
      "cs.CL",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-07-08T10:51:06Z",
    "title_canon_sha256": "85f70c7dd03e015cf716dedb67945e507d4b29425190a31e98d7f3e1a0ae40b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07267",
    "kind": "arxiv",
    "version": 1
  }
}