Pith Number

pith:OWZBH7PU

pith:2004:OWZBH7PUCAFIM4DATCKLDB7FMS

not attested not anchored not stored refs pending

The Distribution of Quasars and Galaxies in Radio Color-Color and Morphology Diagrams

A.S. Jagoda, D. Schlegel, G.R. Knapp, G.T. Richards, J.E. Gunn, M.A. Strauss, M. Gacesa, M. Juric, P.B. Hall, P. Wiita, R.H. Lupton, R.J. Siverd, V. Smolcic, W. Steinhardt, Z. Ivezic

arxiv:astro-ph/0403314 v1 · 2004-03-12 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:37:17.507357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b213fdf4100a8670609894b187e5649ce0b09c137cf03e6a075b4a8a6f8e8e

Aliases

arxiv: astro-ph/0403314 · arxiv_version: astro-ph/0403314v1 · doi: 10.48550/arxiv.astro-ph/0403314 · pith_short_12: OWZBH7PUCAFI · pith_short_16: OWZBH7PUCAFIM4DA · pith_short_8: OWZBH7PU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OWZBH7PUCAFIM4DATCKLDB7FMS \
  | 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: 75b213fdf4100a8670609894b187e5649ce0b09c137cf03e6a075b4a8a6f8e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16798e2959367c01c0266e05a6e66f24dfc2316d0e54da65a039a286427cf608",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-12T20:47:09Z",
    "title_canon_sha256": "b8cd9e247370f1dfca006a642fcd2397ce8ad14d0e98d9bf66f333e8cd749d36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403314",
    "kind": "arxiv",
    "version": 1
  }
}