pith. sign in
Pith Number

pith:6K4AYWCJ

pith:2009:6K4AYWCJ5GHDVBNUPPOPONE44W
not attested not anchored not stored refs pending

The AGN/starburst content in high redshift ULIRGs

A. Marconi, E. Nardini, E. Sani, G. Risaliti, M. Salvati, Y. Watabe

arxiv:0903.0299 v1 · 2009-03-02 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6K4AYWCJ5GHDVBNUPPOPONE44W}

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 2026-05-18T02:14:37.872864Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f2b80c5849e98e3a85b47bdcf7349ce5927fcb8d6b0f23246507b214c997d978

Aliases

arxiv: 0903.0299 · arxiv_version: 0903.0299v1 · doi: 10.48550/arxiv.0903.0299 · pith_short_12: 6K4AYWCJ5GHD · pith_short_16: 6K4AYWCJ5GHDVBNU · pith_short_8: 6K4AYWCJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6K4AYWCJ5GHDVBNUPPOPONE44W \
  | 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: f2b80c5849e98e3a85b47bdcf7349ce5927fcb8d6b0f23246507b214c997d978
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d0c9fc1f136fb3cec99229e6ac92c30fa89de51e1c139f09a4f92b74a35cd5a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-02T14:07:12Z",
    "title_canon_sha256": "c7bd2f210c9a2b39ffa12c0257094250847630ddd0e3c2f58f994ca8f9254f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0299",
    "kind": "arxiv",
    "version": 1
  }
}