Pith Number

pith:ZY52UVK2

pith:2015:ZY52UVK26UKV3SLULTX4PICSQY

not attested not anchored not stored refs pending

On the roles of hunting and habitat size on the extinction of megafauna

Adri\'an Monjeau, Guillermo Abramson, Jos\'e L. Lanata, Marcelo N. Kuperman, Mar\'ia F. Laguna

arxiv:1504.03202 v2 · 2015-04-13 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZY52UVK26UKV3SLULTX4PICSQY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:09:47.181288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3baa555af5155dc9745cefc7a052862fde61b10cbdb4e2410d309d2d8dc8f2

Aliases

arxiv: 1504.03202 · arxiv_version: 1504.03202v2 · doi: 10.48550/arxiv.1504.03202 · pith_short_12: ZY52UVK26UKV · pith_short_16: ZY52UVK26UKV3SLU · pith_short_8: ZY52UVK2

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/ZY52UVK26UKV3SLULTX4PICSQY \
  | 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: ce3baa555af5155dc9745cefc7a052862fde61b10cbdb4e2410d309d2d8dc8f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec86f3bd9ac9894c158709a3ba29966b2647d6f86603f99fd9b4e8699a182ce8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-04-13T14:52:18Z",
    "title_canon_sha256": "00f6035479d4c4520afdedb4420e5c19d3988c94aa48a1dbf8717318c2ffe64a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03202",
    "kind": "arxiv",
    "version": 2
  }
}