pith. sign in
Pith Number

pith:KYTDBCFO

pith:2006:KYTDBCFO56LCIF4Z5CYFATAG4P
not attested not anchored not stored refs pending

Microlensing of the Lensed Quasar SDSS0924+0219

2), (2)Department of Physics, (3)Harvard-Smithsonian Center for Astrophysics), Christopher W. Morgan (1, C.S. Kochanek (1), Emilio E. Falco (3) ((1)Department of Astronomy, Nicholas D. Morgan (1), The Ohio State University, U.S. Naval Academy

arxiv:astro-ph/0601523 v2 · 2006-01-23 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KYTDBCFO56LCIF4Z5CYFATAG4P}

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 2026-05-18T04:29:05.067242Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

56263088aeef96241799e8b0504c06e3ca15d494c0f796a2451896ffb9ae9019

Aliases

arxiv: astro-ph/0601523 · arxiv_version: astro-ph/0601523v2 · doi: 10.48550/arxiv.astro-ph/0601523 · pith_short_12: KYTDBCFO56LC · pith_short_16: KYTDBCFO56LCIF4Z · pith_short_8: KYTDBCFO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KYTDBCFO56LCIF4Z5CYFATAG4P \
  | 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: 56263088aeef96241799e8b0504c06e3ca15d494c0f796a2451896ffb9ae9019
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2cb9061a0c391eac968b0ebcf406709f398c723aaee8ab3ff6a260b67a03b3fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-23T21:11:29Z",
    "title_canon_sha256": "e5cb6d7ff954c736b2cf6bf1847937bb4303a067705fac7889a293fdf09b8184"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601523",
    "kind": "arxiv",
    "version": 2
  }
}