Pith Number

pith:73WWW7UI

pith:2010:73WWW7UIT6RWD6KGI6YFYGT4E3

not attested not anchored not stored refs pending

Differential Microlensing Measurements of Quasar Broad Line Kinematics in Q2237+0305

K. Labrie, M. O'Dowd, N. F. Bate, R. L. Webster, R. Wayth

arxiv:1012.3480 v1 · 2010-12-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73WWW7UIT6RWD6KGI6YFYGT4E3}

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	2026-05-18T02:04:24.101035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feed6b7e889fa361f94647b05c1a7c26c2dc801c67406a3b13af301067fee38b

Aliases

arxiv: 1012.3480 · arxiv_version: 1012.3480v1 · doi: 10.48550/arxiv.1012.3480 · pith_short_12: 73WWW7UIT6RW · pith_short_16: 73WWW7UIT6RWD6KG · pith_short_8: 73WWW7UI

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/73WWW7UIT6RWD6KGI6YFYGT4E3 \
  | 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: feed6b7e889fa361f94647b05c1a7c26c2dc801c67406a3b13af301067fee38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34cf925b3b3b1f19e2ffe6dacf22321445a0ee8bbc7e75efe5e3a575da3d70b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-15T22:00:11Z",
    "title_canon_sha256": "dd0b2236fe421c1cbb00cc0107297e49715d2567b7fe5f55d3bea32a4e8ad94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3480",
    "kind": "arxiv",
    "version": 1
  }
}