Pith Number

pith:UQH4KQ6G

pith:2015:UQH4KQ6GEPR2SJ7HPDOABZ4YET

not attested not anchored not stored refs pending

Comparing process-based and constraint-based approaches for modeling macroecological patterns

Ethan P. White, James P. O'Dwyer, Xiao Xiao

arxiv:1502.02767 v4 · 2015-02-10 · 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{UQH4KQ6GEPR2SJ7HPDOABZ4YET}

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	2026-05-18T01:27:05.434371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40fc543c623e3a927e778dc00e79824da6ad007ee1bcdda8a6f104e7a0bd436

Aliases

arxiv: 1502.02767 · arxiv_version: 1502.02767v4 · doi: 10.48550/arxiv.1502.02767 · pith_short_12: UQH4KQ6GEPR2 · pith_short_16: UQH4KQ6GEPR2SJ7H · pith_short_8: UQH4KQ6G

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/UQH4KQ6GEPR2SJ7HPDOABZ4YET \
  | 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: a40fc543c623e3a927e778dc00e79824da6ad007ee1bcdda8a6f104e7a0bd436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e3745eb2ac825343109934381353847d098bb3bddcdbee7dd587f0a4ada5a1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-02-10T03:22:39Z",
    "title_canon_sha256": "5a5784be9e222171403dff6bc2df1ff2077d4cb558c81ead474b1342bf458046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02767",
    "kind": "arxiv",
    "version": 4
  }
}