Pith Number

pith:LIQRTWCP

pith:2015:LIQRTWCPQJDQF6E6GSCPNU6Q7S

not attested not anchored not stored refs pending

Cold or Warm? Constraining Dark Matter with Primeval Galaxies and Cosmic Reionization after Planck

2, 2-Univ. Tor Vergata, 3, 3-INAF/OATS, 4), 4) (1-SISSA, 4-INFN/TS, A. Lapi (1, Italy, Italy), L. Danese (1, Roma, Trieste

arxiv:1508.02147 v1 · 2015-08-10 · 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{LIQRTWCPQJDQF6E6GSCPNU6Q7S}

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.

Receipt and verification

First computed	2026-05-18T01:32:59.299719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a2119d84f824702f89e3484f6d3d0fc9876717145af0555ddcba286f8d6f2f2

Aliases

arxiv: 1508.02147 · arxiv_version: 1508.02147v1 · doi: 10.48550/arxiv.1508.02147 · pith_short_12: LIQRTWCPQJDQ · pith_short_16: LIQRTWCPQJDQF6E6 · pith_short_8: LIQRTWCP

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/LIQRTWCPQJDQF6E6GSCPNU6Q7S \
  | 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: 5a2119d84f824702f89e3484f6d3d0fc9876717145af0555ddcba286f8d6f2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52593dd8353cd63957662cba1f5cff8f68cc62c2ebf4a9d9bf193fbb8b524417",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-10T07:20:36Z",
    "title_canon_sha256": "a36d6c20ba6fa246175da0a1b707c6ff325f29cf003a9a7951244de013f33970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02147",
    "kind": "arxiv",
    "version": 1
  }
}