Pith Number

pith:KCL4TJBX

pith:2011:KCL4TJBXFMCUWXHHO6IDTMK427

not attested not anchored not stored refs pending

Non-Thermal Dark Matter Mimicking An Additional Neutrino Species In The Early Universe

Dan Hooper, Farinaldo S. Queiroz, Nickolay Y. Gnedin

arxiv:1111.6599 v2 · 2011-11-28 · astro-ph.CO · astro-ph.HE · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCL4TJBXFMCUWXHHO6IDTMK427}

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

CMB-S4 Science Case, Reference Design, and Project Plan

Receipt and verification

First computed	2026-05-18T03:22:54.517240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5097c9a4372b054b5ce7779039b15cd7c2cd239aec0a34b389fa07114c433266

Aliases

arxiv: 1111.6599 · arxiv_version: 1111.6599v2 · doi: 10.48550/arxiv.1111.6599 · pith_short_12: KCL4TJBXFMCU · pith_short_16: KCL4TJBXFMCUWXHH · pith_short_8: KCL4TJBX

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/KCL4TJBXFMCUWXHHO6IDTMK427 \
  | 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: 5097c9a4372b054b5ce7779039b15cd7c2cd239aec0a34b389fa07114c433266

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "112cb25d0da8ac99c4bb7aed14d1ab13e56b00b0ecbf8005b521ec12699d0c18",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-28T21:00:47Z",
    "title_canon_sha256": "20b3c0ae1530dadab51f1b3f4fdaa20520f507cd60ad29d2665e77a0d365c27b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6599",
    "kind": "arxiv",
    "version": 2
  }
}