Pith Number

pith:53NOP4ZJ

pith:2025:53NOP4ZJ7THD5GWJ6ZDW4JE2WT

not attested not anchored not stored refs pending

CHIME All-sky Multiday Pulsar Stacking Search (CHAMPSS): System Overview and First Discoveries

Aaron B. Pearlman, Abigail K. Denney, Ajay Kumar, Alexander P. Roman, Alyssa Cassity, Bradley W. Meyers, Charanjot Brar, Cherry Ng, Chia Min Tan, Christopher Andrade, Davor Cubranic, Dustin Lang, Emmanuel Fonseca, Fengqiu Adam Dong, Ingrid Stairs, Juan Mena-Parra, Kathryn Crowter, Kendrick Smith, Kiyoshi W. Masui, Lars K\"unkel, Laurent Tarabout, Magnus L'Argent, P. J. Boyle, Reynier Squillace, Robert A. Main, Scott M. Ransom, Sujay Mate, Tarik J. Zegmott, The CHAMPSS Collaboration, Ue-Li Pen, Xia Wenke

arxiv:2504.16293 v2 · 2025-04-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53NOP4ZJ7THD5GWJ6ZDW4JE2WT}

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	2026-07-05T10:53:55.027085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eedae7f329fcce3e9ac9f6476e249ab4e7877fb6a7a1d624c8f46b4eecb22fd5

Aliases

arxiv: 2504.16293 · arxiv_version: 2504.16293v2 · doi: 10.48550/arxiv.2504.16293 · pith_short_12: 53NOP4ZJ7THD · pith_short_16: 53NOP4ZJ7THD5GWJ · pith_short_8: 53NOP4ZJ

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/53NOP4ZJ7THD5GWJ6ZDW4JE2WT \
  | 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: eedae7f329fcce3e9ac9f6476e249ab4e7877fb6a7a1d624c8f46b4eecb22fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635207ab9a3b452c7e10af20f255c7d0e240a758c277957cbcd675f794cd7a1f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-22T22:08:19Z",
    "title_canon_sha256": "814991bd4bc8702ddd257f46c6bc5e0a164554d976b00261c182349cd4b25e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16293",
    "kind": "arxiv",
    "version": 2
  }
}