Pith Number

pith:BJOZ3EJ6

pith:2019:BJOZ3EJ6TURTYFU46C7Y2BSB4O

not attested not anchored not stored refs pending

Astro2020 Science White Paper - Quasar Microlensing: Revolutionizing our Understanding of Quasar Structure and Dynamics

Anna Nierenberg (Jet Propulsion Laboratory), California Institute of Technology), Carina Fian (Instituto de Astrofisica de Canarias, Chelsea Macleod (Center for Astrophysics, Christopher W Morgan (US Naval Academy), Damien Hutsemekers (University of Liege), David Pooley (Trinity University), Departamento de Astrofisica, Dominique Sluse (STAR institute, Evencio Mediavilla (Instituto de Astrofisica de Canarias), George Chartas (College of Charleston), Georgios Vernardos (University of Groningen), Geraint Lewis (University of Sydney), Harvard University), Joachim Wambsganss (University of Heidelberg), Jorge Jimenez-Vicente (Univ. de Granada), Karina Rojas (Ecole Polytechnique Federale de Lausanne, Kathleen Labrie (Gemini Observatory), Leonidas Moustakas (Jet Propulsion Laboratory, LSSTC Data Science Fellow), Matthew Cornachione (US Naval Academy), Matthew O'Dowd (City University of New York, Rachel Webster (University of Melbourne), Suk Yee Yong (University of Melbourne), the American Museum of Natural History), Timo Anguita (Universidad Andres Bello), Universidad de La Laguna), University of Liege), Veronica Motta (Universidad de Valparaiso), Xinyu Dai (University of Oklahoma)

arxiv:1904.12967 v1 · 2019-04-29 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJOZ3EJ6TURTYFU46C7Y2BSB4O}

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	2026-05-17T23:47:24.324406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5d9d913e9d233c169cf0bf8d0641e3a8068c43e9e6c003e5c6b4cec30d4f10

Aliases

arxiv: 1904.12967 · arxiv_version: 1904.12967v1 · doi: 10.48550/arxiv.1904.12967 · pith_short_12: BJOZ3EJ6TURT · pith_short_16: BJOZ3EJ6TURTYFU4 · pith_short_8: BJOZ3EJ6

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/BJOZ3EJ6TURTYFU46C7Y2BSB4O \
  | 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: 0a5d9d913e9d233c169cf0bf8d0641e3a8068c43e9e6c003e5c6b4cec30d4f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69b7f6acf1612c2ababd8dbbdffb7e4a5203d79c8f99285c19a0cd27d698928",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T21:55:30Z",
    "title_canon_sha256": "f3fc398952522067278ea3cbc992ab735719da3448190df1f131fe7875763d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12967",
    "kind": "arxiv",
    "version": 1
  }
}