pith. sign in
Pith Number

pith:3VG7TR63

pith:1999:3VG7TR63FECOSGPXDWFXVOCHZ6
not attested not anchored not stored refs pending

X-ray luminous star-forming galaxies

(2) National Observatory of Athens), A.L. Zezas (1), I. Georgantopoulos (2), M.J. Ward (3) ((1) University of Leicester

arxiv:astro-ph/9906392 v1 · 1999-06-24 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3VG7TR63FECOSGPXDWFXVOCHZ6}

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 2026-05-18T01:07:36.346729Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211

Aliases

arxiv: astro-ph/9906392 · arxiv_version: astro-ph/9906392v1 · doi: 10.48550/arxiv.astro-ph/9906392 · pith_short_12: 3VG7TR63FECO · pith_short_16: 3VG7TR63FECOSGPX · pith_short_8: 3VG7TR63
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6 \
  | 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: dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1297b8603ae512ae2eaeeada4346f3d99534b8b73457320a7e5b492bde23d020",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-24T17:22:07Z",
    "title_canon_sha256": "016cd3a86eb8497ec66b7d372ea29a6a90f755ac9b41edf39a2340d3c05247c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906392",
    "kind": "arxiv",
    "version": 1
  }
}