Pith Number

pith:IAAGNZUI

pith:2012:IAAGNZUIP5HUBOYAK7PZNJ5UWW

not attested not anchored not stored refs pending

Common Patterns of Energy Flow and Biomass Distribution on Weighted Food Webs

Jiang Zhang, Yuanjing Feng

arxiv:1208.1560 v1 · 2012-08-08 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAAGNZUIP5HUBOYAK7PZNJ5UWW}

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	2026-05-18T03:49:11.215329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

400066e6887f4f40bb0057df96a7b4b5bafd4a79852ad1add86a1ea6f06da260

Aliases

arxiv: 1208.1560 · arxiv_version: 1208.1560v1 · doi: 10.48550/arxiv.1208.1560 · pith_short_12: IAAGNZUIP5HU · pith_short_16: IAAGNZUIP5HUBOYA · pith_short_8: IAAGNZUI

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/IAAGNZUIP5HUBOYAK7PZNJ5UWW \
  | 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: 400066e6887f4f40bb0057df96a7b4b5bafd4a79852ad1add86a1ea6f06da260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6036b18694b71493bf1d033faf7b9f50bd8887c11c23e278dd9930d2743f1fcc",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-08-08T01:25:39Z",
    "title_canon_sha256": "ba56c98943d4e21fb4f7ca50591bd1ecc044034bd67baa9577c8c524a1541090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1560",
    "kind": "arxiv",
    "version": 1
  }
}