Pith Number

pith:SUZWIW5B

pith:2014:SUZWIW5BK7XGRAFUZNPDB4QVBY

not attested not anchored not stored refs pending

Trophic groups and modules: two levels of group detection in food webs

Benoit Gauzens, Elisa Th\'ebault, G\'erard Lacroix, St\'ephane Legendre

arxiv:1403.2352 v2 · 2014-02-21 · 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{SUZWIW5BK7XGRAFUZNPDB4QVBY}

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	2026-05-18T02:19:06.124164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9533645ba157ee6880b4cb5e30f2150e3d143ee6e8959d97a56262eda0d2c1f3

Aliases

arxiv: 1403.2352 · arxiv_version: 1403.2352v2 · doi: 10.48550/arxiv.1403.2352 · pith_short_12: SUZWIW5BK7XG · pith_short_16: SUZWIW5BK7XGRAFU · pith_short_8: SUZWIW5B

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/SUZWIW5BK7XGRAFUZNPDB4QVBY \
  | 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: 9533645ba157ee6880b4cb5e30f2150e3d143ee6e8959d97a56262eda0d2c1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2383413eab783cb3421be16e336ed38eda0f90de2c839c53de665cb45a2b3642",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-02-21T09:59:31Z",
    "title_canon_sha256": "1ede36dfd4b4cbefa0d1bed113e60f5e9ceba4f20dc32f05d0a154e201376008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2352",
    "kind": "arxiv",
    "version": 2
  }
}