Pith Number

pith:P63NXCK2

pith:2020:P63NXCK2MDFYMMV6QHYSO72XSG

not attested not anchored not stored refs pending

A new method for faster and more accurate inference of species associations from big community data

Florian Hartig, Maximilian Pichler

arxiv:2003.05331 v5 · 2020-03-11 · q-bio.QM · q-bio.PE · stat.AP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P63NXCK2MDFYMMV6QHYSO72XSG}

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	2026-07-05T05:54:25.217523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb6db895a60cb8632be81f1277f5791ad50d2aae940e3bf8c5e906445e8dec4

Aliases

arxiv: 2003.05331 · arxiv_version: 2003.05331v5 · doi: 10.48550/arxiv.2003.05331 · pith_short_12: P63NXCK2MDFY · pith_short_16: P63NXCK2MDFYMMV6 · pith_short_8: P63NXCK2

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/P63NXCK2MDFYMMV6QHYSO72XSG \
  | 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: 7fb6db895a60cb8632be81f1277f5791ad50d2aae940e3bf8c5e906445e8dec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a58618eb4c578eb898f3f41a44e9239bd62eea771b9f4458dcd804376959da22",
    "cross_cats_sorted": [
      "q-bio.PE",
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2020-03-11T14:37:02Z",
    "title_canon_sha256": "f237ba76c898e6ae5dd4d1893e19d1ece1b9077e2d7629dc1dcfc53bc111c2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05331",
    "kind": "arxiv",
    "version": 5
  }
}