Pith Number

pith:W7AMXLTA

pith:2009:W7AMXLTAELZ5FJSAATYQKZWXYC

not attested not anchored not stored refs pending

Self-assembly, modularity and physical complexity

A. A. Louis, I. G. Johnston, J. P. K. Doye, S. E. Ahnert, T. M. A. Fink

arxiv:0912.3464 v2 · 2009-12-17 · cond-mat.stat-mech · q-bio.BM · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7AMXLTAELZ5FJSAATYQKZWXYC}

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	2026-05-18T04:41:35.856538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c0cbae6022f3d2a64004f10566d7c08f32beaffe8a41146a528aee24c642fd

Aliases

arxiv: 0912.3464 · arxiv_version: 0912.3464v2 · doi: 10.48550/arxiv.0912.3464 · pith_short_12: W7AMXLTAELZ5 · pith_short_16: W7AMXLTAELZ5FJSA · pith_short_8: W7AMXLTA

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/W7AMXLTAELZ5FJSAATYQKZWXYC \
  | 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: b7c0cbae6022f3d2a64004f10566d7c08f32beaffe8a41146a528aee24c642fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "054d0140b628df5b20a480ca6427a01f39117edb9fcec780b2d53c1cab8242e1",
    "cross_cats_sorted": [
      "q-bio.BM",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2009-12-17T17:03:42Z",
    "title_canon_sha256": "79219c402f147606913e1c014648ab99e90762e77a8f8f02023910f536ba298a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3464",
    "kind": "arxiv",
    "version": 2
  }
}