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Pith Number

pith:F5GRHVZU

pith:2004:F5GRHVZUL7E46ACRSZK6Z5CZT7
not attested not anchored not stored refs pending

On the nature of dark matter

L. A. Urena-Lopez, T. Matos

arxiv:astro-ph/0406194 v1 · 2004-06-07 · astro-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F5GRHVZUL7E46ACRSZK6Z5CZT7}

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

Receipt and verification
First computed 2026-05-18T04:33:50.977821Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2f4d13d7345fc9cf00519655ecf4599ffdbe4e635a49c78a0bcbe9446feaa0bf

Aliases

arxiv: astro-ph/0406194 · arxiv_version: astro-ph/0406194v1 · doi: 10.48550/arxiv.astro-ph/0406194 · pith_short_12: F5GRHVZUL7E4 · pith_short_16: F5GRHVZUL7E46ACR · pith_short_8: F5GRHVZU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F5GRHVZUL7E46ACRSZK6Z5CZT7 \
  | 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: 2f4d13d7345fc9cf00519655ecf4599ffdbe4e635a49c78a0bcbe9446feaa0bf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dbed3882c6e4d5d960d9df07d414d91a80834fdb83b76c5fab6dffc45a1a235d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-07T22:47:43Z",
    "title_canon_sha256": "0f8f6d6b8648d1fbbb1709713b9aebfcd980a652155b0a72a8816cc9db4dfcd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406194",
    "kind": "arxiv",
    "version": 1
  }
}