Pith Number

pith:NT2P3SDH

pith:2025:NT2P3SDHUA7GAKEQOKXKWVKZ32

not attested not anchored not stored refs pending

Self-Affine Scaling of Earth's Islands

B.B. Cael, David Seekell, Jeremy Hoskins, Mary Silber, Matthew Oline

arxiv:2512.16659 v2 · 2025-12-18 · physics.geo-ph · cond-mat.stat-mech · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NT2P3SDHUA7GAKEQOKXKWVKZ32}

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	2026-05-29T02:05:38.623704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf4fdc867a03e60289072aeab5559deb52d410e8fae09da5a0e0115f7b523a3

Aliases

arxiv: 2512.16659 · arxiv_version: 2512.16659v2 · doi: 10.48550/arxiv.2512.16659 · pith_short_12: NT2P3SDHUA7G · pith_short_16: NT2P3SDHUA7GAKEQ · pith_short_8: NT2P3SDH

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/NT2P3SDHUA7GAKEQOKXKWVKZ32 \
  | 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: 6cf4fdc867a03e60289072aeab5559deb52d410e8fae09da5a0e0115f7b523a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9737f5aaecdf768b1ea9470825f56dec7ebe5db09f84b91765c144de9228f054",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "nlin.AO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-12-18T15:27:50Z",
    "title_canon_sha256": "ec3e7a2f135813302ddfa05b8f50ca261ecc4787a37aacbce19fab7ace98bcab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.16659",
    "kind": "arxiv",
    "version": 2
  }
}