Pith Number

pith:WXTASHVF

pith:2012:WXTASHVFKCQKDRUVY5DJPOFD4M

not attested not anchored not stored refs pending

The Emergence of Modularity in Biological Systems

Alice Jeng, Dirk M. Lorenz, Michael W. Deem

arxiv:1204.5999 v1 · 2012-04-26 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXTASHVFKCQKDRUVY5DJPOFD4M}

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	2026-05-18T01:57:43.703405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5e6091ea550a0a1c695c74697b8a3e32765b3e1ff3c89b60041b7e895fba972

Aliases

arxiv: 1204.5999 · arxiv_version: 1204.5999v1 · doi: 10.48550/arxiv.1204.5999 · pith_short_12: WXTASHVFKCQK · pith_short_16: WXTASHVFKCQKDRUV · pith_short_8: WXTASHVF

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/WXTASHVFKCQKDRUVY5DJPOFD4M \
  | 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: b5e6091ea550a0a1c695c74697b8a3e32765b3e1ff3c89b60041b7e895fba972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e997c3b4e6e75b5f9eebad16bcff89914926c06e6f13db48eadb18223e47a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-04-26T18:45:00Z",
    "title_canon_sha256": "29423a9a03d44961ede12a17f5480d316990c10975e0e63ed322cafb06823ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5999",
    "kind": "arxiv",
    "version": 1
  }
}