pith. sign in
Pith Number

pith:73FJJVSP

pith:2012:73FJJVSP6FKE2QVRXW2RHMS4BZ
not attested not anchored not stored refs pending

The X-ray luminous galaxies optically classified as star forming are mostly narrow line Seyfert 1s

C. Jin, F. J. Carrera, L. Ballo, M. J. Ward, N. Castell\'o-Mor, X. Barcons

arxiv:1205.6995 v2 · 2012-05-31 · astro-ph.CO · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{73FJJVSP6FKE2QVRXW2RHMS4BZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T01:57:09.365157Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

feca94d64ff1544d42b1bdb513b25c0e5031cd1a7f3ab398946c87f9b52939b2

Aliases

arxiv: 1205.6995 · arxiv_version: 1205.6995v2 · doi: 10.48550/arxiv.1205.6995 · pith_short_12: 73FJJVSP6FKE · pith_short_16: 73FJJVSP6FKE2QVR · pith_short_8: 73FJJVSP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/73FJJVSP6FKE2QVRXW2RHMS4BZ \
  | 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: feca94d64ff1544d42b1bdb513b25c0e5031cd1a7f3ab398946c87f9b52939b2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e7ad799fcf83bb427e6163c0002c12632d921e8c2845c99cecabf85d7a10b512",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-31T13:51:50Z",
    "title_canon_sha256": "7677e79b4ac763c48bf5abbfbe6ab463d48d3c2b8bbf8bd6a8479a974c2e33dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6995",
    "kind": "arxiv",
    "version": 2
  }
}