Pith Number

pith:ZDNH44QQ

pith:2025:ZDNH44QQA3YUXDA2JDVGH7GLBP

not attested not anchored not stored refs pending

Discovery of a Pair of Galaxies with Both Hosting X-ray Binary Candidates at $z=2.544$

Jianwei Lyu, Jiayi Chen, Junjie Mao, Mingyu Li, Pengjun Lu, Sijia Cai, Xiaojing Lin, Yunjing Wu, Zheng Cai

arxiv:2507.23230 v1 · 2025-07-31 · 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{ZDNH44QQA3YUXDA2JDVGH7GLBP}

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	2026-07-05T11:46:07.969051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8da7e721006f14b8c1a48ea63fccb0bcec9aad2f03d5377ba34cd0846445e84

Aliases

arxiv: 2507.23230 · arxiv_version: 2507.23230v1 · doi: 10.48550/arxiv.2507.23230 · pith_short_12: ZDNH44QQA3YU · pith_short_16: ZDNH44QQA3YUXDA2 · pith_short_8: ZDNH44QQ

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/ZDNH44QQA3YUXDA2JDVGH7GLBP \
  | 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: c8da7e721006f14b8c1a48ea63fccb0bcec9aad2f03d5377ba34cd0846445e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ecc60bcc83de714daedb9d9334653951c897560a5af26a64f9930b641545bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-31T03:53:38Z",
    "title_canon_sha256": "0772ce6bf910d3dc416ae3e936cf7ca19a285a8b196ba879abe34119bc26860d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23230",
    "kind": "arxiv",
    "version": 1
  }
}