Pith Number

pith:R5X5SDAL

pith:2012:R5X5SDALSI2Q6XT2CQIUMQW45V

not attested not anchored not stored refs pending

A seed-diffusion model for tropical tree diversity patterns

A. Derzsi, Z. Neda

arxiv:1203.0844 v1 · 2012-03-05 · 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{R5X5SDALSI2Q6XT2CQIUMQW45V}

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	2026-05-18T01:58:15.029140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6fd90c0b92350f5e7a14114642dced63f849127a8a9d5d52c8dc12f68a0c7a

Aliases

arxiv: 1203.0844 · arxiv_version: 1203.0844v1 · doi: 10.48550/arxiv.1203.0844 · pith_short_12: R5X5SDALSI2Q · pith_short_16: R5X5SDALSI2Q6XT2 · pith_short_8: R5X5SDAL

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/R5X5SDALSI2Q6XT2CQIUMQW45V \
  | 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: 8f6fd90c0b92350f5e7a14114642dced63f849127a8a9d5d52c8dc12f68a0c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09032a89ad8d4b738eba0a4389267073ea40c702c5f7a2f9ca569527646634b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-03-05T09:51:03Z",
    "title_canon_sha256": "b86924c2ab4c90c5240d01eed43b3516829c6b6c3a0d63c277fe4311b65f45b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0844",
    "kind": "arxiv",
    "version": 1
  }
}