Pith. sign in
Pith Number

pith:WJ3NHKZN

pith:1998:WJ3NHKZNFMRW2PDX3JQKS3Y2MD
not attested not anchored not stored refs pending

A barred spiral at the centre of the giant elliptical radio galaxy Centaurus A

2), (2)IAFE. cc 67, (3)University of Hawaii, (4)Observ. de Paris, (5)University of the Witwatersrand, Buenos Aires. Argentina, C. Cesarsky(1) & D.L. Block(5) ((1)CEA/DSM/DAPNIA Service d'Astrophysique, D.B. Sanders(3), DEMIRM, France, Gif-sur-Yvette, HI, Honolulu, I.F. Mirabel(1, L. Vigroux(1), M. Sauvage(1), M. Tagger(1), O. Laurent(1), Paris, P. Gallais(1), South Africa), V. Charmandaris(4), WITS

arxiv:astro-ph/9810419 v1 · 1998-10-26 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WJ3NHKZNFMRW2PDX3JQKS3Y2MD}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T14:16:15.453790Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b276d3ab2d2b236d3c77da60a96f1a60dd3fe4c673669e71f25fa2a0ded28377

Aliases

arxiv: astro-ph/9810419 · arxiv_version: astro-ph/9810419v1 · doi: 10.48550/arxiv.astro-ph/9810419 · pith_short_12: WJ3NHKZNFMRW · pith_short_16: WJ3NHKZNFMRW2PDX · pith_short_8: WJ3NHKZN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WJ3NHKZNFMRW2PDX3JQKS3Y2MD \
  | 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: b276d3ab2d2b236d3c77da60a96f1a60dd3fe4c673669e71f25fa2a0ded28377
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8e7a4223007bd6153177ba949d732448d1c9a01753b1d77f2e63de88c5ef9835",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-26T19:35:20Z",
    "title_canon_sha256": "e642242038902d18e525f2c9a307ff47c73b2edf5bad0dc9b74a0b78b4c24f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810419",
    "kind": "arxiv",
    "version": 1
  }
}