Pith Number

pith:F4O6S6FG

pith:2025:F4O6S6FGFP55IBSDKDFR4VFDPB

not attested not anchored not stored refs pending

A magnetic white dwarf formed through a binary merger within 35 million years

Bo Ma, Chengyuan Li, Christoffer Fremling, Chun Chen, Genghao Liu, Hongwei Ge, Huahui Yan, Jan J. Eldridge, Jiamao Lin, Liangliang Ren, Li Wang, Rizhong Zheng, Siyi Xu, Xianfei Zhang, Yong Shao, Zhangliang Chen, Zhen Guo, Zhenwei Li

arxiv:2509.01069 v1 · 2025-09-01 · astro-ph.SR · 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{F4O6S6FGFP55IBSDKDFR4VFDPB}

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	2026-07-05T12:02:53.048609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1de978a62bfbd4064350cb1e54a378696fc222d0f794b7f2505136e03fc45d

Aliases

arxiv: 2509.01069 · arxiv_version: 2509.01069v1 · doi: 10.48550/arxiv.2509.01069 · pith_short_12: F4O6S6FGFP55 · pith_short_16: F4O6S6FGFP55IBSD · pith_short_8: F4O6S6FG

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/F4O6S6FGFP55IBSDKDFR4VFDPB \
  | 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: 2f1de978a62bfbd4064350cb1e54a378696fc222d0f794b7f2505136e03fc45d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db13021f46713b586d61f4150675ec99fb38263a05391887e6ec768f7e6f0a10",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-01T02:17:28Z",
    "title_canon_sha256": "a2e73a3843c024effc3a62ae77d675ff0f27e61b97c6846ea516dfd937700126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01069",
    "kind": "arxiv",
    "version": 1
  }
}