Pith Number

pith:T462UIYT

pith:2025:T462UIYT7OAWST3T4CZAXKFK2F

not attested not anchored not stored refs pending

Self-similar decomposition of the hierarchical merger tree of dark matter halos

Feihong He, Fuyu Dong, Jiaxin Han, Wenkang Jiang

arxiv:2502.20181 v3 · 2025-02-27 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T462UIYT7OAWST3T4CZAXKFK2F}

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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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-07-05T11:19:51.734654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f3daa2313fb81694f73e0b20ba8aad1799ff53c1e304cc2da73b718f50b68fb

Aliases

arxiv: 2502.20181 · arxiv_version: 2502.20181v3 · doi: 10.48550/arxiv.2502.20181 · pith_short_12: T462UIYT7OAW · pith_short_16: T462UIYT7OAWST3T · pith_short_8: T462UIYT

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/T462UIYT7OAWST3T4CZAXKFK2F \
  | 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: 9f3daa2313fb81694f73e0b20ba8aad1799ff53c1e304cc2da73b718f50b68fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866098b18ba0ffbcf298f0e28329e4c4dc34cb2ab67fc414a111d58799bb7915",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-27T15:18:28Z",
    "title_canon_sha256": "a2efb3c1eb3c98deb00136df06ed29730d3a3dfdb172d9bda53f2e4a888dafdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20181",
    "kind": "arxiv",
    "version": 3
  }
}