Pith Number

pith:DYQUNGI4

pith:2024:DYQUNGI435NSUZPZMKNLCYIUFE

not attested not anchored not stored refs pending

A born ultramassive white dwarf-hot subdwarf super-Chandrasekhar candidate

Bo Wang, Bo Zhang, Changqing Luo, Chao Liu, Chuanjie Zheng, Dongdong Liu, Jianping Xiong, Jiao Li, Jifeng Liu, Pei Wang, Peter Nemeth, Qingzheng Li, Song Wang, Xuefei Chen, Yang Huang, Yangping Luo, Yu Bai, Zhanwen Han, Zhenwei Li

arxiv:2404.04835 v1 · 2024-04-07 · astro-ph.SR · 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{DYQUNGI435NSUZPZMKNLCYIUFE}

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	2026-07-05T08:05:40.659675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2146991cdf5b2a65f9629ab1611429375014283cfb968fc17b6132defc6242

Aliases

arxiv: 2404.04835 · arxiv_version: 2404.04835v1 · doi: 10.48550/arxiv.2404.04835 · pith_short_12: DYQUNGI435NS · pith_short_16: DYQUNGI435NSUZPZ · pith_short_8: DYQUNGI4

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/DYQUNGI435NSUZPZMKNLCYIUFE \
  | 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: 1e2146991cdf5b2a65f9629ab1611429375014283cfb968fc17b6132defc6242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cbf3bb652d839f1e10feff836d080be72e65b7fed1c7e6131bb3efab2be821d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-04-07T07:06:57Z",
    "title_canon_sha256": "d86454ad8e6369ccbdc43c51da1f009f6b2aee98686e3b751921e5d964dddeb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04835",
    "kind": "arxiv",
    "version": 1
  }
}