Pith Number

pith:QTI7FVWM

pith:2019:QTI7FVWMW5ZQEGGE2UXLNLTYWL

not attested not anchored not stored refs pending

The impact of braiding covariance and in-survey covariance on next-generation galaxy surveys

Fabien Lacasa

arxiv:1909.00791 v2 · 2019-09-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTI7FVWMW5ZQEGGE2UXLNLTYWL}

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

Complex yet Hermitian: Gaussian covariance of cross-correlation and multi-tracer power spectra

Receipt and verification

First computed	2026-07-05T00:39:57.215988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d1f2d6ccb7730218c4d52eb6ae78b2dc4351f15837cdb552030b3284677ce4

Aliases

arxiv: 1909.00791 · arxiv_version: 1909.00791v2 · doi: 10.48550/arxiv.1909.00791 · pith_short_12: QTI7FVWMW5ZQ · pith_short_16: QTI7FVWMW5ZQEGGE · pith_short_8: QTI7FVWM

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/QTI7FVWMW5ZQEGGE2UXLNLTYWL \
  | 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: 84d1f2d6ccb7730218c4d52eb6ae78b2dc4351f15837cdb552030b3284677ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4622c88f8235efa9f3fbfca823eb3c64b088ec87b40edc76f3993eb33143523a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-09-02T16:38:14Z",
    "title_canon_sha256": "5642f1ac1129084e01830fe720cc30784459387de5a03e112b99e5dda8c63bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00791",
    "kind": "arxiv",
    "version": 2
  }
}