pith. sign in
Pith Number

pith:XHQYMZJQ

pith:2003:XHQYMZJQIFXLW6U7VQ2SSDPX2X
not attested not anchored not stored refs pending

Molecular Gas in the Host Galaxy of a Quasar at Redshift z=6.42

Alain Omont (IAP), Chris Carilli (NRAO), Fabian Walter (NRAO), Frank Bertoldi (MPIfR), Karl M.Menten (MPIfR), K.Y. Lo (NRAO), Michael A. Strauss (Princeton), Pierre Cox (IAS), Roberto Neri (IRAM), Xiaohui Fan (Arizona)

arxiv:astro-ph/0307410 v1 · 2003-07-23 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XHQYMZJQIFXLW6U7VQ2SSDPX2X}

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 2026-05-18T01:40:38.486660Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b9e1866530416ebb7a9fac35290df7d5ef2a125592b14df3d0432cce0f790697

Aliases

arxiv: astro-ph/0307410 · arxiv_version: astro-ph/0307410v1 · doi: 10.48550/arxiv.astro-ph/0307410 · pith_short_12: XHQYMZJQIFXL · pith_short_16: XHQYMZJQIFXLW6U7 · pith_short_8: XHQYMZJQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XHQYMZJQIFXLW6U7VQ2SSDPX2X \
  | 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: b9e1866530416ebb7a9fac35290df7d5ef2a125592b14df3d0432cce0f790697
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "23a72c7340337a5ea0566247dd10876fb78f5e4a12554ee36a17ade53c96e102",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-23T16:07:03Z",
    "title_canon_sha256": "d73ce4892c5ba5579c127dce3f6e1847316c3660cd7a4bee0551879a24b3409b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307410",
    "kind": "arxiv",
    "version": 1
  }
}