Pith Number

pith:EIJKJUFW

pith:2013:EIJKJUFWELKAPSWV65QIUH6KGZ

not attested not anchored not stored refs pending

The Stubborn Roots of Metabolic Cycles

Alex Watson, Ed Reznik, Osman Chaudhary

arxiv:1304.6463 v1 · 2013-04-24 · q-bio.MN · nlin.AO · 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{EIJKJUFWELKAPSWV65QIUH6KGZ}

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	2026-05-18T03:27:13.052499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2212a4d0b622d407cad5f7608a1fca3650368426d339717085717cc154218034

Aliases

arxiv: 1304.6463 · arxiv_version: 1304.6463v1 · doi: 10.48550/arxiv.1304.6463 · pith_short_12: EIJKJUFWELKA · pith_short_16: EIJKJUFWELKAPSWV · pith_short_8: EIJKJUFW

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/EIJKJUFWELKAPSWV65QIUH6KGZ \
  | 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: 2212a4d0b622d407cad5f7608a1fca3650368426d339717085717cc154218034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b51ba536e7973539cd05b680ba3088e3013565cbd85deafe4dfccbde3700c4",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2013-04-24T01:39:45Z",
    "title_canon_sha256": "e8d94ef779d9cde6a76451563a9b4e20f190918769e63a38e565655c6e44df74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6463",
    "kind": "arxiv",
    "version": 1
  }
}