Pith Number

pith:DJUYULUK

pith:2023:DJUYULUK4RBOOL6LNU5D2TDJEZ

not attested not anchored not stored refs pending

The 21-cm forest as a simultaneous probe of dark matter and cosmic heating history

Ran Li, Wenxiu Yang, Xin Zhang, Xuelei Chen, Yidong Xu, Yougang Wang, Yue Shao

arxiv:2307.04130 v1 · 2023-07-09 · astro-ph.CO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJUYULUK4RBOOL6LNU5D2TDJEZ}

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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

Topological Signatures of Heating and Dark Matter in the 21 cm Forest

Receipt and verification

First computed	2026-07-05T06:52:24.780016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a698a2e8ae442e72fcb6d3a3d4c692650c964c129e8dfd699138a03f27b5eaa

Aliases

arxiv: 2307.04130 · arxiv_version: 2307.04130v1 · doi: 10.48550/arxiv.2307.04130 · pith_short_12: DJUYULUK4RBO · pith_short_16: DJUYULUK4RBOOL6L · pith_short_8: DJUYULUK

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/DJUYULUK4RBOOL6LNU5D2TDJEZ \
  | 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: 1a698a2e8ae442e72fcb6d3a3d4c692650c964c129e8dfd699138a03f27b5eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c980a79776257237c226adcf06f0cf137ed7c6fe27c4d2eaf474ce2760dbdefe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-07-09T09:00:53Z",
    "title_canon_sha256": "d3e8a8b1842a8945aa657848413a72b3dd2da569348123b83d185440e38a7d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.04130",
    "kind": "arxiv",
    "version": 1
  }
}