Pith Number

pith:DHGRDOE6

pith:2011:DHGRDOE6JCLARLBPDVPXGLTCY5

not attested not anchored not stored refs pending

Broad-Line Reverberation in the Kepler-Field Seyfert Galaxy Zw 229-015

A. Cucciara, A.J. Barth, A.M. Nierenberg, A. Morton, A. Pancoast, A. Sonnenfeld, A.V. Filippenko, B.F. Gerke, C.D. Laney, C. Harris, C.V. Griffith, C. Zeisse, D. Kirkman, D. Tytler, E.G. Hintz, E. Hsiao, E.L. Gates, G. Duchene, G.H. Smith, I.K.W. Kleiser, J. Botyanszki, J. Choi, J.-H. Woo, J. Lee, J.L. Walsh, J.M. Comerford, J.M. Silverman, J. Rex, J.W. Moody, L. Lopez, M.A. Malkan, M. Childress, M.D. Joner, M. Fumagalli, M. Ganeshalingam, M.L. Nguyen, M.T. Kandrashoff, N. Suzuki, P. Nugent, R. Da Silva, R.M. Rich, S.B. Cenko, T.B. Lowe, V. Gorjian, V.N. Bennert, W.C. Keel, W. Li, Y. Yang

arxiv:1103.2153 v1 · 2011-03-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHGRDOE6JCLARLBPDVPXGLTCY5}

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	2026-05-18T02:02:54.842913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19cd11b89e489608ac2f1d5f732e62c74d996fed3bbf308dc95a2784a0dcdace

Aliases

arxiv: 1103.2153 · arxiv_version: 1103.2153v1 · doi: 10.48550/arxiv.1103.2153 · pith_short_12: DHGRDOE6JCLA · pith_short_16: DHGRDOE6JCLARLBP · pith_short_8: DHGRDOE6

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/DHGRDOE6JCLARLBPDVPXGLTCY5 \
  | 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: 19cd11b89e489608ac2f1d5f732e62c74d996fed3bbf308dc95a2784a0dcdace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d619bc6f2443de2c16f3ff8f6d7fbdd6b8d62054bb377d61a9edf193b925094",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-10T22:23:26Z",
    "title_canon_sha256": "3d8bea767a59ac504e1b7f7fbdf606703c0c99d1cca747d4ea84aa63345f530c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2153",
    "kind": "arxiv",
    "version": 1
  }
}