pith. sign in
Pith Number

pith:K7H7XZTK

pith:2010:K7H7XZTKB3UNGVX4ORPFRVPBBY
not attested not anchored not stored refs pending

The Civ line width distribution for quasars and its implications for broad-line region dynamics and virial mass estimation

D. P. Schneider, J. Bland-Hawthorn, K. A. Pimbblet, N. P. Ross, S. Fine, S. M. Croom, T. Shanks

arxiv:1005.5287 v1 · 2010-05-28 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K7H7XZTKB3UNGVX4ORPFRVPBBY}

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

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 2026-05-18T02:07:06.874576Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

57cffbe66a0ee8d356fc745e58d5e10e04334ae516ac125c8570b8da21e4254b

Aliases

arxiv: 1005.5287 · arxiv_version: 1005.5287v1 · doi: 10.48550/arxiv.1005.5287 · pith_short_12: K7H7XZTKB3UN · pith_short_16: K7H7XZTKB3UNGVX4 · pith_short_8: K7H7XZTK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K7H7XZTKB3UNGVX4ORPFRVPBBY \
  | 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: 57cffbe66a0ee8d356fc745e58d5e10e04334ae516ac125c8570b8da21e4254b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6b5f92f7731c5ad5c81d76aab1fd023480ff0e022646dcdcff528992e4c2e7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-28T13:24:34Z",
    "title_canon_sha256": "3c5e38b48deb1954e1dfb1e4c45f1b1d8ed831f32daa90d1ff6d33112dd89b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5287",
    "kind": "arxiv",
    "version": 1
  }
}