Pith Number

pith:XDNQ4J3R

pith:2025:XDNQ4J3RX2IIXXM46T5CFBRANH

not attested not anchored not stored refs pending

Timing and spectral analysis of GK Persei during the 2010 dwarf nova outburst

Qiang Li, Songpeng Pei, Taozhi Yang, Xiaowan Zhang, Yongzhi Cai, Ziwei Ou

arxiv:2502.14277 v1 · 2025-02-20 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDNQ4J3RX2IIXXM46T5CFBRANH}

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	2026-07-05T10:17:23.782371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8db0e2771be908bdd9cf4fa22862069c84f9c994364c5272d432a15663333c3

Aliases

arxiv: 2502.14277 · arxiv_version: 2502.14277v1 · doi: 10.48550/arxiv.2502.14277 · pith_short_12: XDNQ4J3RX2II · pith_short_16: XDNQ4J3RX2IIXXM4 · pith_short_8: XDNQ4J3R

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/XDNQ4J3RX2IIXXM46T5CFBRANH \
  | 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: b8db0e2771be908bdd9cf4fa22862069c84f9c994364c5272d432a15663333c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24961d0780521d55b73c733beb9d39bb47aea6977e503706472b4e2db22e13b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-20T05:33:51Z",
    "title_canon_sha256": "1e2a1dffc72d98276b8d8568ace440fe17e787a01db922ceccb1a4e8664fd566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.14277",
    "kind": "arxiv",
    "version": 1
  }
}