pith. sign in
Pith Number

pith:SJCUCUX2

pith:2011:SJCUCUX257SF6LRVMGOL6DWAP7
not attested not anchored not stored refs pending

Re-ionizing the Universe without Stars

(2) King Abdulaziz University, (3) University of Hawaii (4) Arizona State University), Charles H. Lineweaver (1) ((1) Australian National University, Chiaki Kobayashi (1), Lawrence M. Krauss (1)(4), Michael A. Dopita (1)(2)(3), Ralph S. Sutherland (1)

arxiv:1106.5546 v2 · 2011-06-28 · astro-ph.CO · astro-ph.GA · astro-ph.HE · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SJCUCUX257SF6LRVMGOL6DWAP7}

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 2026-05-18T02:01:30.043913Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

92454152faefe45f2e35619cbf0ec07fcca0ceb703445ad97800aabbcfdcc96d

Aliases

arxiv: 1106.5546 · arxiv_version: 1106.5546v2 · doi: 10.48550/arxiv.1106.5546 · pith_short_12: SJCUCUX257SF · pith_short_16: SJCUCUX257SF6LRV · pith_short_8: SJCUCUX2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SJCUCUX257SF6LRVMGOL6DWAP7 \
  | 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: 92454152faefe45f2e35619cbf0ec07fcca0ceb703445ad97800aabbcfdcc96d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "be43c34ae3aebdde5184b5839301ce92a7a5757fc61d9a068d098f97f34fb335",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-28T01:03:56Z",
    "title_canon_sha256": "9be257d1b904858cc1da5be4653d12aca35faf29ac71d58f8b82ff716879f0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5546",
    "kind": "arxiv",
    "version": 2
  }
}