Pith. sign in
Pith Number

pith:UG6HZQXJ

pith:2011:UG6HZQXJG5OCLNKRVQ7DXR2HGY
not attested not anchored not stored refs pending

Differentiating CDM and Baryon Isocurvature Models with 21 cm Fluctuations

Masahiro Kawasaki, Tomo Takahashi, Toyokazu Sekiguchi

arxiv:1104.5591 v2 · 2011-04-29 · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UG6HZQXJG5OCLNKRVQ7DXR2HGY}

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 2026-05-18T04:10:23.479149Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1bc7cc2e9375c25b551ac3e3bc7473615697b01f241c7bb339bd1846559e720

Aliases

arxiv: 1104.5591 · arxiv_version: 1104.5591v2 · doi: 10.48550/arxiv.1104.5591 · pith_short_12: UG6HZQXJG5OC · pith_short_16: UG6HZQXJG5OCLNKR · pith_short_8: UG6HZQXJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UG6HZQXJG5OCLNKRVQ7DXR2HGY \
  | 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: a1bc7cc2e9375c25b551ac3e3bc7473615697b01f241c7bb339bd1846559e720
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ce3395659a7566f90afca6d6b234cc79d0fce84dcfec70ba93c322423f82a3f4",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-29T10:34:32Z",
    "title_canon_sha256": "8c45c1ef92ea8e8945e639da4d941fa5f5a7868c51218b4c9dd331ad8edc02e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5591",
    "kind": "arxiv",
    "version": 2
  }
}