Pith Number

pith:3PZCLWVC

pith:2004:3PZCLWVCLLA536TQ4WHLYQNACX

not attested not anchored not stored refs pending

Cosmic crystallography using short-lived objects - active galactic nuclei

(2) N. Copernicus Astronomical Centre, Andrzej Marecki (1), Boudewijn F. Roukema (1), N. Copernicus University, Stanislaw Bajtlik (2) ((1) Torun Centre for Astronomy, Torun, Warsaw)

arxiv:astro-ph/0412181 v3 · 2004-12-08 · astro-ph

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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

Receipt and verification

First computed	2026-05-18T04:18:02.828071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbf225daa25ac1ddfa70e58ebc41a015f710736a2914695aaa615a9a55cd3ce8

Aliases

arxiv: astro-ph/0412181 · arxiv_version: astro-ph/0412181v3 · doi: 10.48550/arxiv.astro-ph/0412181 · pith_short_12: 3PZCLWVCLLA5 · pith_short_16: 3PZCLWVCLLA536TQ · pith_short_8: 3PZCLWVC

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/3PZCLWVCLLA536TQ4WHLYQNACX \
  | 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: dbf225daa25ac1ddfa70e58ebc41a015f710736a2914695aaa615a9a55cd3ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba82f6f02771540fa2d5c9ef4dc87ae22c9d80f71fedce4fe5ae1d8ca107bb6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-08T09:33:19Z",
    "title_canon_sha256": "b43464b0b896fedae07ffce60610b1d2bc9522a57a7e94c4738c3544d3123e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412181",
    "kind": "arxiv",
    "version": 3
  }
}