Pith Number

pith:BROL3W72

pith:2004:BROL3W72ED52L7R4DZOGTTJLDF

not attested not anchored not stored refs pending

Size is Everything: Universal Features of Quasar Microlensing with Extended Sources

(2) Universitat Potsdam), Joachim Wambsganss (2) ((1) Massachusetts Institute of Technology, Michael J. Mortonson (1), Paul L. Schechter (1)

arxiv:astro-ph/0408195 v2 · 2004-08-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BROL3W72ED52L7R4DZOGTTJLDF}

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.

Cited by

1 paper in Pith

Physically motivated AGN emissivity profiles and their effects on quasar microlensing signatures. 1. Multi-epoch accretion disc size inference

Receipt and verification

First computed	2026-07-04T16:44:28.203580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5cbddbfa20fba5fe3c1e5c69cd2b195a5b8b1551ce915accd339fd91825354

Aliases

arxiv: astro-ph/0408195 · arxiv_version: astro-ph/0408195v2 · doi: 10.48550/arxiv.astro-ph/0408195 · pith_short_12: BROL3W72ED52 · pith_short_16: BROL3W72ED52L7R4 · pith_short_8: BROL3W72

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/BROL3W72ED52L7R4DZOGTTJLDF \
  | 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: 0c5cbddbfa20fba5fe3c1e5c69cd2b195a5b8b1551ce915accd339fd91825354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b78432b9ed7cf767948a9ada38ac976f7d589ec36f37ac8ca355a3763a300eca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-10T22:42:58Z",
    "title_canon_sha256": "4205bdce26f182e09254d58b2b309d494b3e61096a73c95c9699754b4d128e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408195",
    "kind": "arxiv",
    "version": 2
  }
}