Pith Number

pith:ESNP32SW

pith:2017:ESNP32SWNDERVS2SVUBWQU632O

not attested not anchored not stored refs pending

Extending species-area relationships (SAR) to diversity-area relationships (DAR)

Zhanshan Ma

arxiv:1711.06231 v1 · 2017-11-16 · q-bio.PE · cs.CE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESNP32SWNDERVS2SVUBWQU632O}

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	2026-05-18T00:30:23.030427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249afdea5668c91acb52ad036853dbd39b5779a687c13234d19daf17e760f509

Aliases

arxiv: 1711.06231 · arxiv_version: 1711.06231v1 · doi: 10.48550/arxiv.1711.06231 · pith_short_12: ESNP32SWNDER · pith_short_16: ESNP32SWNDERVS2S · pith_short_8: ESNP32SW

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/ESNP32SWNDERVS2SVUBWQU632O \
  | 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: 249afdea5668c91acb52ad036853dbd39b5779a687c13234d19daf17e760f509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4481e9fc1cceda08258aebe320e2a83c1f4af0d25472337dee6a498d7d81412d",
    "cross_cats_sorted": [
      "cs.CE",
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-11-16T18:20:25Z",
    "title_canon_sha256": "1d13823e12ad7075969d4e285ad1ce88591de68c6d77cd02c3bcbc9df22c8b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06231",
    "kind": "arxiv",
    "version": 1
  }
}