Pith Number

pith:SJ7SJHC4

pith:2025:SJ7SJHC4UWKPEBTCQDF3XFOLKC

not attested not anchored not stored refs pending

Detection of Ubiquitous Circumbinary Matter in Hot Subdwarfs Formed from Common-Envelope Ejections

Bingqiu Chen, Christian Wolf, Jiangdan Li, Jiao Li, Jingkun Zhao, Lin Zhang, Shi Jia, Xuefei Chen, Yangping Luo, Zhanwen Han

arxiv:2502.00822 v1 · 2025-02-02 · 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{SJ7SJHC4UWKPEBTCQDF3XFOLKC}

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	2026-07-05T10:08:38.875835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

927f249c5ca594f2066280cbbb95cb508c79dac89195b4f4e3862ef8d9461ec3

Aliases

arxiv: 2502.00822 · arxiv_version: 2502.00822v1 · doi: 10.48550/arxiv.2502.00822 · pith_short_12: SJ7SJHC4UWKP · pith_short_16: SJ7SJHC4UWKPEBTC · pith_short_8: SJ7SJHC4

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/SJ7SJHC4UWKPEBTCQDF3XFOLKC \
  | 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: 927f249c5ca594f2066280cbbb95cb508c79dac89195b4f4e3862ef8d9461ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5332ea6d909cb916da1ba21e0af1b40f20709fee989c400269576da447ade15b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-02T15:25:48Z",
    "title_canon_sha256": "cd17f0ab1d174d27175b63fb0339649339e342ba347148288236bfe039169e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00822",
    "kind": "arxiv",
    "version": 1
  }
}