Pith. sign in
Pith Number

pith:M52ZVKFQ

pith:2001:M52ZVKFQHZYLEVCBIURNQXLREZ
not attested not anchored not stored refs pending

Constraints on Warm Dark Matter from Cosmological Reionization

(2) Princeton), Jeremiah P. Ostriker (2) ((1) CITA, Rennan Barkana (1), Zoltan Haiman (2)

arxiv:astro-ph/0102304 v2 · 2001-02-18 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M52ZVKFQHZYLEVCBIURNQXLREZ}

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 2026-07-04T16:22:44.942344Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67759aa8b03e70b254414522d85d71264fcc72892172cde90c1e1cff920e1b2d

Aliases

arxiv: astro-ph/0102304 · arxiv_version: astro-ph/0102304v2 · doi: 10.48550/arxiv.astro-ph/0102304 · pith_short_12: M52ZVKFQHZYL · pith_short_16: M52ZVKFQHZYLEVCB · pith_short_8: M52ZVKFQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M52ZVKFQHZYLEVCBIURNQXLREZ \
  | 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: 67759aa8b03e70b254414522d85d71264fcc72892172cde90c1e1cff920e1b2d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "72d337680271e368bcdbdafb128ea591a9504c20525721401bd39a13374aecbb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-02-18T03:01:35Z",
    "title_canon_sha256": "c805bee5469192fa329603de93006a5d332e161b61355fe9de42f26bea2bff1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0102304",
    "kind": "arxiv",
    "version": 2
  }
}