Pith Number

pith:2ACUX2JV

pith:2009:2ACUX2JV6HKI7PFLESPNANRYQ3

not attested not anchored not stored refs pending

A systematic fitting scheme for caustic-crossing microlensing events

A. Cassan, A. Udalski, A. Williams, Ch. Coutures, C. Snodgrass, C. Vinter, D. Dominis Prester, D. Kubas, D.M. Bramich, D.P. Bennett, G. Pietrzynski, I. Soszynski, I. Steele, J.A.R. Caldwell, J.B. Marquette, J. Donatowicz, J. Greenhill, J. Menzies, J.-P. Beaulieu, J. Wambsganss, K.C. Sahu, K.H. Cook, K. Horne, K.R. Pollard, K. Ulaczyk, L. Wyrzykowski, M. Bode, M. Burgdorf, M.D. Albrow, M. Dominik, M.K. Szymanski, M. Kubiak, M. Zub, N. Kains, N. Rattenbury, O. Szewczyk, P. Fouque, R. Martin, S. Brillant, S. Dieters, S. Kane, T. Anguita, U.G. Jorgensen, V. Batista, Y. Tsapras

arxiv:0901.1285 v1 · 2009-01-09 · 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{2ACUX2JV6HKI7PFLESPNANRYQ3}

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	2026-07-04T17:14:02.234543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0054be935f1d48fbcab249ed0363886c52ef01b6e60c7213cef62eda227c882

Aliases

arxiv: 0901.1285 · arxiv_version: 0901.1285v1 · doi: 10.48550/arxiv.0901.1285 · pith_short_12: 2ACUX2JV6HKI · pith_short_16: 2ACUX2JV6HKI7PFL · pith_short_8: 2ACUX2JV

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/2ACUX2JV6HKI7PFLESPNANRYQ3 \
  | 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: d0054be935f1d48fbcab249ed0363886c52ef01b6e60c7213cef62eda227c882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f33d0820b62777ce33c3d64f14c4ea8f5feee05862665b2033add43fd38b9cb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-09T17:43:34Z",
    "title_canon_sha256": "f578fa8311ec93b518528da21bc0baa5f5353a5651b5d3b61083fbbaed45fd8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1285",
    "kind": "arxiv",
    "version": 1
  }
}