Pith Number

pith:IZQ3S7O5

pith:2026:IZQ3S7O5NMTSUZSZMLCMYN2TBU

not attested not anchored not stored refs pending

Co-evolution of self-replication and function in a digital primordial soup

Alessio Basti, Ben Laurie, Blaise Aguera-Arcas, Blake Richards, Ettore Randazzo, Eyvind Niklasson, Francesco Cicala, James Manyika, Mayalen Etcheverry, Rif A. Saurous, Sami Boukortt

arxiv:2607.09211 v1 · 2026-07-10 · 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{IZQ3S7O5NMTSUZSZMLCMYN2TBU}

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	2026-07-13T01:18:51.928868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4661b97ddd6b272a665962c4cc37530d3aa122f7da346a24aa1668d8f302d8db

Aliases

arxiv: 2607.09211 · arxiv_version: 2607.09211v1 · doi: 10.48550/arxiv.2607.09211 · pith_short_12: IZQ3S7O5NMTS · pith_short_16: IZQ3S7O5NMTSUZSZ · pith_short_8: IZQ3S7O5

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/IZQ3S7O5NMTSUZSZMLCMYN2TBU \
  | 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: 4661b97ddd6b272a665962c4cc37530d3aa122f7da346a24aa1668d8f302d8db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0225b3bf0a5cfb8733fd549cf6429e0411b49eacb93a800a7b38010bea79cadf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2026-07-10T08:59:25Z",
    "title_canon_sha256": "3ef732bac300dd23d8fd1e3d312399af5cd300f37a7ab917f8258b68a1aad704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09211",
    "kind": "arxiv",
    "version": 1
  }
}