Pith Number

pith:2JGKSOLR

pith:2019:2JGKSOLRYHTKGGUXDBWH4XPCGB

not attested not anchored not stored refs pending

The Most Powerful Lenses in the Universe: Quasar Microlensing as a Probe of the Lensing Galaxy

California Institute of Technology), Carina Fian (Instituto de Astrof\'isica de Canarias, Christopher Morgan (United States Naval Academy), City University of New York), David Pooley (Trinity University), Dominique Sluse (STAR institute, Evencio Mediavilla (Instituto de Astrof\'isica de Canarias, George Chartas (College of Charleston), Georgios Vernardos (University of Groningen), Karina Rojas (Ecole Polytechnique F\'ed\'erale de Lausanne, Leonidas A. Moustakas (Jet Propulsion Laboratory, LSSTC Data Science Fellow), Matthew Cornachione (United States Naval Academy), Matthew J. O'Dowd (Lehman College, Rachel Webster (University of Melbourne), Saloni Bhatiani (University of Oklahoma), Sampath Mukherjee (University of Groningen), Timo Anguita (Universidad Andres Bello), Universidad de La Laguna), Universidad de Valpara\'iso), Universit\'e of Li\`ege), Ver\'onica Motta (Instituto de F\'isica y Astronom\'ia, Xinyu Dai (University of Oklahoma)

arxiv:1904.12968 v1 · 2019-04-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JGKSOLRYHTKGGUXDBWH4XPCGB}

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	2026-05-17T23:47:24.316300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24ca93971c1e6a31a97186c7e5de2305305a99f21c98ea45cc6fb4044b1c82b

Aliases

arxiv: 1904.12968 · arxiv_version: 1904.12968v1 · doi: 10.48550/arxiv.1904.12968 · pith_short_12: 2JGKSOLRYHTK · pith_short_16: 2JGKSOLRYHTKGGUX · pith_short_8: 2JGKSOLR

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/2JGKSOLRYHTKGGUXDBWH4XPCGB \
  | 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: d24ca93971c1e6a31a97186c7e5de2305305a99f21c98ea45cc6fb4044b1c82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ba22e20e1e08c98cd318548c41bf51db71942d5b04b96e57096b7962919ee1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T21:56:27Z",
    "title_canon_sha256": "d13d1a546c7909c2d4e91f9a0c170bdc6787578fe6f06c8201e5d77ff4b2479b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12968",
    "kind": "arxiv",
    "version": 1
  }
}