Pith Number

pith:IHKRYK4L

pith:2011:IHKRYK4LFENCSP6D5ITYBEU25K

not attested not anchored not stored refs pending

Similarity Analysis of Macroecology

A. Clarke, E. J. Murphy, G. Rowlands, N. W. Watkins, S. C. Chapman

arxiv:1108.4802 v2 · 2011-08-24 · physics.bio-ph · nlin.AO · 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{IHKRYK4LFENCSP6D5ITYBEU25K}

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	2026-05-18T03:26:10.494239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41d51c2b8b291a293fc3ea2780929aeab89acab050a455e23f96aeb1dc0fc9bd

Aliases

arxiv: 1108.4802 · arxiv_version: 1108.4802v2 · doi: 10.48550/arxiv.1108.4802 · pith_short_12: IHKRYK4LFENC · pith_short_16: IHKRYK4LFENCSP6D · pith_short_8: IHKRYK4L

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/IHKRYK4LFENCSP6D5ITYBEU25K \
  | 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: 41d51c2b8b291a293fc3ea2780929aeab89acab050a455e23f96aeb1dc0fc9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e0d3c0b3c574308f634176e9c380084cddbb3528d6450db30e336645a943cd",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2011-08-24T10:47:03Z",
    "title_canon_sha256": "2e3c0d2efb66afd655a29590017ef1c79e9cf91a24998f147cb16e05c823a6f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4802",
    "kind": "arxiv",
    "version": 2
  }
}