Pith. sign in
Pith Number

pith:LVASTQJF

pith:2003:LVASTQJFEUH6H2AMGKMKW6ZDZR
not attested not anchored not stored refs pending

X-ray Preionisation Powered by Accretion on the First Black Holes. I: a Model for the WMAP Polarisation Measurement

Cambridge), Jeremiah P. Ostriker (IoA, Massimo Ricotti

arxiv:astro-ph/0311003 v3 · 2003-10-31 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LVASTQJFEUH6H2AMGKMKW6ZDZR}

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 2026-07-04T16:37:39.511004Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5d4129c125250fe3e80c3298ab7b23cc64906ee71f02c1683887e7c7d2108fe1

Aliases

arxiv: astro-ph/0311003 · arxiv_version: astro-ph/0311003v3 · doi: 10.48550/arxiv.astro-ph/0311003 · pith_short_12: LVASTQJFEUH6 · pith_short_16: LVASTQJFEUH6H2AM · pith_short_8: LVASTQJF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LVASTQJFEUH6H2AMGKMKW6ZDZR \
  | 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: 5d4129c125250fe3e80c3298ab7b23cc64906ee71f02c1683887e7c7d2108fe1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b580295257fa4cb5ea3fa17893e37e6dd0f5555c9599c5727809b9f5833ea6e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-31T21:03:15Z",
    "title_canon_sha256": "22246b9f2c01519d66185c21a2a802a66f0ea63e432519cbf6730eacfaa409ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311003",
    "kind": "arxiv",
    "version": 3
  }
}