Pith Number

pith:K3EYDMGO

pith:2003:K3EYDMGOMUGIJIP5IDQW6KR47H

not attested not anchored not stored refs pending

Do We Need Stars to Reionize the Universe at High Redshifts? Early Reionization by Decaying Heavy Sterile Neutrinos

Steen H. Hansen (University of Zurich), Zoltan Haiman (Columbia University)

arxiv:astro-ph/0305126 v3 · 2003-05-08 · astro-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{K3EYDMGOMUGIJIP5IDQW6KR47H}

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	2026-05-18T04:33:51.017799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56c981b0ce650c84a1fd40e16f2a3cf9cc6db6abbee15156f21762895e48beb5

Aliases

arxiv: astro-ph/0305126 · arxiv_version: astro-ph/0305126v3 · doi: 10.48550/arxiv.astro-ph/0305126 · pith_short_12: K3EYDMGOMUGI · pith_short_16: K3EYDMGOMUGIJIP5 · pith_short_8: K3EYDMGO

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/K3EYDMGOMUGIJIP5IDQW6KR47H \
  | 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: 56c981b0ce650c84a1fd40e16f2a3cf9cc6db6abbee15156f21762895e48beb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2cb87fc0bffe26ce4b419e50cb2956f8a7860d19b629ad8717d6c2044bf164",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-08T12:09:50Z",
    "title_canon_sha256": "fbddecfe16f3b798716ecb698303eb514fee478b66c441845ee318028ff9d67c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305126",
    "kind": "arxiv",
    "version": 3
  }
}