Pith Number

pith:OYXBL5NA

pith:2014:OYXBL5NA6SAL5J5JRT53P2CAMN

not attested not anchored not stored refs pending

Evolutionary food web model based on body masses gives realistic networks with permanent species turnover

Barbara Drossel, Bj\"orn C. Rall, Christian Guill, Daniel Ritterskamp, Korinna T. Allhoff

arxiv:1409.3373 v3 · 2014-09-11 · 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{OYXBL5NA6SAL5J5JRT53P2CAMN}

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	2026-05-18T01:57:23.577200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762e15f5a0f480bea7a98cfbb7e840634ddc041c48ab8d3a0455875f294e8b64

Aliases

arxiv: 1409.3373 · arxiv_version: 1409.3373v3 · doi: 10.48550/arxiv.1409.3373 · pith_short_12: OYXBL5NA6SAL · pith_short_16: OYXBL5NA6SAL5J5J · pith_short_8: OYXBL5NA

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/OYXBL5NA6SAL5J5JRT53P2CAMN \
  | 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: 762e15f5a0f480bea7a98cfbb7e840634ddc041c48ab8d3a0455875f294e8b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ee66483391a7e1be8dc5878fd8ac961b767953fbaa78bf994a77a2f4e3b009",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-09-11T10:07:50Z",
    "title_canon_sha256": "fac2adf2e38541cff27583236402f2e1cb9b9f2928e4da4086cf88e5a12c243b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3373",
    "kind": "arxiv",
    "version": 3
  }
}