Pith Number

pith:TRPC56IE

pith:2025:TRPC56IEQIKDLXHFJ73CDKIIEO

not attested not anchored not stored refs pending

Heartbeat Stars Recognition Based on Recurrent Neural Networks: Method and Validation

Er-Gang Zhao, Fu-Xing Li, Lin-Feng Chang, Li-Ying Zhu, Min-Yu Li, Ping Li, Qi-Bin Sun, Sheng-Bang Qian, Wen-Ping Liao, Xiang-Dong Shi

arxiv:2505.04067 v2 · 2025-05-07 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TRPC56IEQIKDLXHFJ73CDKIIEO}

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	2026-07-05T11:53:46.289008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c5e2ef904821435dce54ff621a90823afad8d98162eeaea420cdd937c041ac3

Aliases

arxiv: 2505.04067 · arxiv_version: 2505.04067v2 · doi: 10.48550/arxiv.2505.04067 · pith_short_12: TRPC56IEQIKD · pith_short_16: TRPC56IEQIKDLXHF · pith_short_8: TRPC56IE

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/TRPC56IEQIKDLXHFJ73CDKIIEO \
  | 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: 9c5e2ef904821435dce54ff621a90823afad8d98162eeaea420cdd937c041ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7810126d0f18726ef58b098d81aa8a7d837b74aeb888720971eab13c2fc546f0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-07T02:10:41Z",
    "title_canon_sha256": "12c33855b82e5ba002017f87fc57ba23f2fd77c532f6497408d234057b0dc41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04067",
    "kind": "arxiv",
    "version": 2
  }
}