Pith Number

pith:PNGJ67SH

pith:2015:PNGJ67SHQSEN5PCAM4QM2VGI4P

not attested not anchored not stored refs pending

Statistical Mechanics of Ecological Systems: Neutral Theory and Beyond

Amos Maritan, Igor Volkov, Jacopo Grilli, Jayanth R. Banavar, Samir Suweis, Sandro Azaele

arxiv:1506.01721 v1 · 2015-06-04 · q-bio.PE · cond-mat.stat-mech · 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{PNGJ67SHQSEN5PCAM4QM2VGI4P}

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	2026-05-18T01:08:13.286041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4c9f7e478488debc406720cd54c8e3c312dc4c4f1b1d1afe00ed5b53763548

Aliases

arxiv: 1506.01721 · arxiv_version: 1506.01721v1 · doi: 10.48550/arxiv.1506.01721 · pith_short_12: PNGJ67SHQSEN · pith_short_16: PNGJ67SHQSEN5PCA · pith_short_8: PNGJ67SH

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/PNGJ67SHQSEN5PCAM4QM2VGI4P \
  | 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: 7b4c9f7e478488debc406720cd54c8e3c312dc4c4f1b1d1afe00ed5b53763548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa64b54da11cd3a554f7aba4a143615edbc7e64018f5aa7998740ae1f20343f0",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-06-04T20:03:34Z",
    "title_canon_sha256": "90276623b3cda76bc6d204e329c0f1ef6eeea15b98bd3849c73f47edc781083b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01721",
    "kind": "arxiv",
    "version": 1
  }
}