Pith Number

pith:GSPGCUVB

pith:2009:GSPGCUVBCR6TZW2D3TAOU7PACJ

not attested not anchored not stored refs pending

The Cusp/Core problem and the Secondary Infall Model

A. Del Popolo ((1) Dipartimento di Fisica e Astronomia, Ayazaga Campus, Bonn; (3) Technical University, Catania, Faculty of Science, Italy; (2) Argelander-Institut f\"ur Astronomie, Letters, Maslak/ISTANBUL, Turkey), Universit\'a di Catania

arxiv:0906.4447 v1 · 2009-06-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSPGCUVBCR6TZW2D3TAOU7PACJ}

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.

Cited by

1 paper in Pith

Mass-Temperature relation in $\Lambda$CDM and modified gravity

Receipt and verification

First computed	2026-05-18T04:29:42.610183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

349e6152a1147d3cdb43dcc0ea7de012727728a4d208b3d6e8f6c3ab5007e865

Aliases

arxiv: 0906.4447 · arxiv_version: 0906.4447v1 · doi: 10.48550/arxiv.0906.4447 · pith_short_12: GSPGCUVBCR6T · pith_short_16: GSPGCUVBCR6TZW2D · pith_short_8: GSPGCUVB

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/GSPGCUVBCR6TZW2D3TAOU7PACJ \
  | 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: 349e6152a1147d3cdb43dcc0ea7de012727728a4d208b3d6e8f6c3ab5007e865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4592a3eedf23cf5095f08a12dd79429253319a92710e7a9aa96551f391f3e03a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-24T10:57:43Z",
    "title_canon_sha256": "9434382102a57edf4553a6b17da9b3d097e0afad8f98c4786bb4773370ed52fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4447",
    "kind": "arxiv",
    "version": 1
  }
}