Pith Number

pith:5WS5GRYU

pith:2022:5WS5GRYUKMFWQ3FEKEGRNYETV4

not attested not anchored not stored refs pending

Prototype matching: children's preference for forming scientific concepts

Yi Jiang, Yi Zhang, Zhong Wang

arxiv:2212.01535 v1 · 2022-12-03 · 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{5WS5GRYUKMFWQ3FEKEGRNYETV4}

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	2026-07-05T05:21:56.074092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda5d34714530b686ca4510d16e093af206b1c567c9031ebf0cd9677ad639e66

Aliases

arxiv: 2212.01535 · arxiv_version: 2212.01535v1 · doi: 10.48550/arxiv.2212.01535 · pith_short_12: 5WS5GRYUKMFW · pith_short_16: 5WS5GRYUKMFWQ3FE · pith_short_8: 5WS5GRYU

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/5WS5GRYUKMFWQ3FEKEGRNYETV4 \
  | 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: eda5d34714530b686ca4510d16e093af206b1c567c9031ebf0cd9677ad639e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "464d50b7cd4bd49d4b8861d6d2c84a3c852ede5d1be40b5f14707f804a8e65ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2022-12-03T05:02:12Z",
    "title_canon_sha256": "2ad44b8c7c5123b32db4b82c983ff846cec5ea238909c20b4929743f9863333c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01535",
    "kind": "arxiv",
    "version": 1
  }
}