Pith Number

pith:OGENXQ3I

pith:2020:OGENXQ3I73D7FE553PQZIMHK4G

not attested not anchored not stored refs pending

2D-FFTLog: Efficient computation of real space covariance matrices for galaxy clustering and weak lensing

Elisabeth Krause, Tim Eifler, Xiao Fang

arxiv:2004.04833 v4 · 2020-04-09 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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\usepackage{pith}
\pithnumber{OGENXQ3I73D7FE553PQZIMHK4G}

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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

5 papers in Pith

Modeling and measuring the anisotropic halo 3-point correlation function: a coordinated study

Analytical method for computing the covariance matrix of cosmic shear two-point correlation function

Dark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

Modeling nonlinear scales for dynamical dark energy cosmologies with COLA

Kinematic Lensing Ratio: Reviving Weak Lensing Cosmography as a Geometric Dark Energy Probe

Receipt and verification

First computed	2026-07-05T02:16:44.159736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7188dbc368fec7f293bddbe19430eae18666c2eb98d15c0cfd7adabc5be55c40

Aliases

arxiv: 2004.04833 · arxiv_version: 2004.04833v4 · doi: 10.48550/arxiv.2004.04833 · pith_short_12: OGENXQ3I73D7 · pith_short_16: OGENXQ3I73D7FE55 · pith_short_8: OGENXQ3I

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/OGENXQ3I73D7FE553PQZIMHK4G \
  | 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: 7188dbc368fec7f293bddbe19430eae18666c2eb98d15c0cfd7adabc5be55c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67811a6296a7706ef4bdc86004a620ca8a55b02e5484266f832c74aee9e60f88",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-09T22:02:02Z",
    "title_canon_sha256": "9e8ad3f728ceee3f90b92c53d3c8769e1cb786c472b70dbca015cca11c4a0196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04833",
    "kind": "arxiv",
    "version": 4
  }
}