Pith Number

pith:326CE5SS

pith:2022:326CE5SSTRBAK3PPLJYOG2KD7Y

not attested not anchored not stored refs pending

A Unified Substrate for Body-Brain Co-evolution

Elias Najarro, Kathryn Walker, Sebastian Risi, Sidney Pontes-Filho, Stefano Nichele

arxiv:2203.12066 v2 · 2022-03-22 · cs.RO · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{326CE5SSTRBAK3PPLJYOG2KD7Y}

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	2026-07-05T04:49:52.881689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debc2276529c42056def5a70e36943fe15aee227559ffb3d3580899bae3bfb1e

Aliases

arxiv: 2203.12066 · arxiv_version: 2203.12066v2 · doi: 10.48550/arxiv.2203.12066 · pith_short_12: 326CE5SSTRBA · pith_short_16: 326CE5SSTRBAK3PP · pith_short_8: 326CE5SS

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/326CE5SSTRBAK3PPLJYOG2KD7Y \
  | 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: debc2276529c42056def5a70e36943fe15aee227559ffb3d3580899bae3bfb1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d188ad52c20b8c8760fbc6d1c7def11d1ffd948d0faa951b5db3f2be950c308",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2022-03-22T21:57:59Z",
    "title_canon_sha256": "ee706eaca3d3c5def85af0dee72ef6133e95766e8433ff3dc832eda5ff49a8f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.12066",
    "kind": "arxiv",
    "version": 2
  }
}