Pith Number

pith:XDAF7DVS

pith:2015:XDAF7DVSGBWL4PRSILXL7JCCS7

not attested not anchored not stored refs pending

Urban vegetation change after a hundred years in a tropical city (San Jos\'e de Costa Rica)

Gabriela P\'erez-G\'omez, Juli\'an Monge-N\'ajera

arxiv:1511.00953 v1 · 2015-11-03 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDAF7DVSGBWL4PRSILXL7JCCS7}

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	2026-05-18T01:27:55.737213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c05f8eb2306cbe3e3242eebfa44297f387f9392845a5d500b9862ef74080a4

Aliases

arxiv: 1511.00953 · arxiv_version: 1511.00953v1 · doi: 10.48550/arxiv.1511.00953 · pith_short_12: XDAF7DVSGBWL · pith_short_16: XDAF7DVSGBWL4PRS · pith_short_8: XDAF7DVS

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/XDAF7DVSGBWL4PRSILXL7JCCS7 \
  | 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: b8c05f8eb2306cbe3e3242eebfa44297f387f9392845a5d500b9862ef74080a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baa3f97e4aed582696f6c8d5ed6e8e7c991408abb01cda2c13c67dad9fda3746",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2015-11-03T15:53:07Z",
    "title_canon_sha256": "e83001af736adef3b891902c617585a5c002a0fc82e468c072e35ddc7e7f499c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00953",
    "kind": "arxiv",
    "version": 1
  }
}