Pith Number

pith:HGAUGJSX

pith:2012:HGAUGJSXXZIQTA3N5TI6BGLUPZ

not attested not anchored not stored refs pending

The compositional and evolutionary logic of metabolism

Eric Smith, Rogier Braakman

arxiv:1207.5532 v2 · 2012-07-23 · q-bio.MN · 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{HGAUGJSXXZIQTA3N5TI6BGLUPZ}

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	2026-05-18T01:56:08.746770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f

Aliases

arxiv: 1207.5532 · arxiv_version: 1207.5532v2 · doi: 10.48550/arxiv.1207.5532 · pith_short_12: HGAUGJSXXZIQ · pith_short_16: HGAUGJSXXZIQTA3N · pith_short_8: HGAUGJSX

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/HGAUGJSXXZIQTA3N5TI6BGLUPZ \
  | 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: 3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d8a9debf64e6090426ba7a092d24763847bddbf5baa2f488f7dda8bc8d46051",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2012-07-23T20:58:44Z",
    "title_canon_sha256": "bf3c593d58b969c7e374e5bd25626251c961dc75b102008b2e9c30f1623665e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5532",
    "kind": "arxiv",
    "version": 2
  }
}