Pith Number

pith:SYMLK2LL

pith:2026:SYMLK2LLFYQY7VJRGBZ5TEMY3P

not attested not anchored not stored refs pending

Probing dark energy evolution with Quaia quasars through the integrated Sachs-Wolfe effect

A. Kov\'acs, I. Csabai, I. Szapudi, J. R. Bermejo-Climent, M. Ghodsi Yengejeh

arxiv:2607.22461 v1 · 2026-07-24 · 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{SYMLK2LLFYQY7VJRGBZ5TEMY3P}

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	2026-07-27T01:21:22.227490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9618b5696b2e218fd5313073d99198dbd7a380ae3885db588daf03a054ec8a17

Aliases

arxiv: 2607.22461 · arxiv_version: 2607.22461v1 · doi: 10.48550/arxiv.2607.22461 · pith_short_12: SYMLK2LLFYQY · pith_short_16: SYMLK2LLFYQY7VJR · pith_short_8: SYMLK2LL

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/SYMLK2LLFYQY7VJRGBZ5TEMY3P \
  | 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: 9618b5696b2e218fd5313073d99198dbd7a380ae3885db588daf03a054ec8a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e81d2fab1d5210639f86dd284467719d1649f9fcbed78a711bf8766f8dcbd876",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-24T16:25:18Z",
    "title_canon_sha256": "b8e3061b2c57365f05493831f8186e1d1cf7a0134e4a413724bbeca90b0ecaf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22461",
    "kind": "arxiv",
    "version": 1
  }
}