Pith Number

pith:C5K3S4JQ

pith:2025:C5K3S4JQJXATVJ7GSARUKCHAAI

not attested not anchored not stored refs pending

Brains and language models converge on a shared conceptual space across different languages

Jixing Li, Samuel A Nastase, Uri Hasson, Zaid Zada

arxiv:2506.20489 v1 · 2025-06-25 · 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{C5K3S4JQJXATVJ7GSARUKCHAAI}

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	2026-07-05T11:27:06.627307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1755b971304dc13aa7e690234508e002300eac4bc8615c26d56b5faf67040e38

Aliases

arxiv: 2506.20489 · arxiv_version: 2506.20489v1 · doi: 10.48550/arxiv.2506.20489 · pith_short_12: C5K3S4JQJXAT · pith_short_16: C5K3S4JQJXATVJ7G · pith_short_8: C5K3S4JQ

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/C5K3S4JQJXATVJ7GSARUKCHAAI \
  | 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: 1755b971304dc13aa7e690234508e002300eac4bc8615c26d56b5faf67040e38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1839a455b0a8cedd93c6356f50a17b6c784271c24cdf6406a8b114a60115f249",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2025-06-25T14:36:34Z",
    "title_canon_sha256": "f1e3f14b53a75357202f11be9ba34719b70a831ad9278c6a01be1a114441c9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20489",
    "kind": "arxiv",
    "version": 1
  }
}