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Pith Number

pith:7QW7VGHF

pith:2025:7QW7VGHFRELVZ2ZYAS7PX5IWRD
not attested not anchored not stored refs pending

Hints of noncold dark matter? Observational constraints on barotropic dark matter with a constant equation of state parameter

Jian-Qi Liu, Yan-Hong Yao

arxiv:2507.00478 v1 · 2025-07-01 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7QW7VGHFRELVZ2ZYAS7PX5IWRD}

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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 2026-07-05T11:30:09.639401Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fc2dfa98e589175ceb3804befbf51688db5f8748b0384b2e5d1d3c6914aa594f

Aliases

arxiv: 2507.00478 · arxiv_version: 2507.00478v1 · doi: 10.48550/arxiv.2507.00478 · pith_short_12: 7QW7VGHFRELV · pith_short_16: 7QW7VGHFRELVZ2ZY · pith_short_8: 7QW7VGHF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7QW7VGHFRELVZ2ZYAS7PX5IWRD \
  | 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: fc2dfa98e589175ceb3804befbf51688db5f8748b0384b2e5d1d3c6914aa594f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "80a26fd5b047bb7eb9ced1fd0dffdec53e2a62bf22518715f681fbab4a0c659f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-01T06:52:49Z",
    "title_canon_sha256": "2cce05c7f425fc7e93ad69d316535df132fee721a7c09edf5130a6c4e3fae0d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00478",
    "kind": "arxiv",
    "version": 1
  }
}