Pith. sign in
Pith Number

pith:QXIMGD7N

pith:2003:QXIMGD7N7OSPEELBL44DXB7GB2
not attested not anchored not stored refs pending

New Light on Dark Matter

2), (2) Princeton University), Jeremiah P. Ostriker (1, Paul J. Steinhardt (2) ((1) University of Cambridge

arxiv:astro-ph/0306402 v1 · 2003-06-19 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QXIMGD7N7OSPEELBL44DXB7GB2}

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

Receipt and verification
First computed 2026-07-04T15:49:35.112650Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85d0c30fedfba4f211615f383b87e60ebcac2b3e62036f6ca5d46c2b9a23707d

Aliases

arxiv: astro-ph/0306402 · arxiv_version: astro-ph/0306402v1 · doi: 10.48550/arxiv.astro-ph/0306402 · pith_short_12: QXIMGD7N7OSP · pith_short_16: QXIMGD7N7OSPEELB · pith_short_8: QXIMGD7N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QXIMGD7N7OSPEELBL44DXB7GB2 \
  | 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: 85d0c30fedfba4f211615f383b87e60ebcac2b3e62036f6ca5d46c2b9a23707d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fd8ca43441959331f59435bd6d1785f5693b6aa9ffd9223c63f8b7c2c0325717",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-19T19:39:10Z",
    "title_canon_sha256": "3232fddb0d27d0b0e383634fc4571bd680f075c018ceba8747e9ba1dbc6a2db6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306402",
    "kind": "arxiv",
    "version": 1
  }
}