Pith Number

pith:72SV3ISV

pith:2012:72SV3ISVRDTGHKBXOIAJQ5HR7U

not attested not anchored not stored refs pending

Metabolic network modularity arising from simple growth processes

Kazuhiro Takemoto

arxiv:1209.0831 v1 · 2012-09-04 · q-bio.MN · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72SV3ISVRDTGHKBXOIAJQ5HR7U}

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	2026-05-18T03:45:41.281413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fea55da25588e663a83772009874f1fd05a488da6a81dfe37f915c83dce6c629

Aliases

arxiv: 1209.0831 · arxiv_version: 1209.0831v1 · doi: 10.48550/arxiv.1209.0831 · pith_short_12: 72SV3ISVRDTG · pith_short_16: 72SV3ISVRDTGHKBX · pith_short_8: 72SV3ISV

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/72SV3ISVRDTGHKBXOIAJQ5HR7U \
  | 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: fea55da25588e663a83772009874f1fd05a488da6a81dfe37f915c83dce6c629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe5e54f9fff2480bdc5be95e08458691cbae0d7448083ff67091aa827138178",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2012-09-04T23:48:37Z",
    "title_canon_sha256": "bf3f68862948d1f3a2d7df93364cd1a6969a1ba53b02c2fab3788c4ef2df0a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0831",
    "kind": "arxiv",
    "version": 1
  }
}