Pith Number

pith:W2HLFZCT

pith:2026:W2HLFZCTVVAFOVNN5BUHQOQ6B2

not attested not anchored not stored refs pending

NICER detection of a new candidate cyclotron line in the bursting X-ray pulsar GRO J1744-28

Alexander Mushtukov, Andrea Santangelo, Ce Cai, Hua Feng, Juri Poutanen, Lian Tao, Lingda Kong, Long Ji, Lorenzo Ducci, Mingyu Ge, Qi Liu, Sergey Tsygankov, Shuang-Nan Zhang, Shuwang Cui, Shu Zhang, Valery Suleimanov, Wei Wang, Xiaohang Dai

arxiv:2606.04664 v1 · 2026-06-03 · 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{W2HLFZCTVVAFOVNN5BUHQOQ6B2}

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	2026-06-04T01:09:23.971090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68eb2e453ad405755ade868783a1e0ea39a62d200ab23431e2b7d8f752bd8cf

Aliases

arxiv: 2606.04664 · arxiv_version: 2606.04664v1 · doi: 10.48550/arxiv.2606.04664 · pith_short_12: W2HLFZCTVVAF · pith_short_16: W2HLFZCTVVAFOVNN · pith_short_8: W2HLFZCT

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/W2HLFZCTVVAFOVNN5BUHQOQ6B2 \
  | 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: b68eb2e453ad405755ade868783a1e0ea39a62d200ab23431e2b7d8f752bd8cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8340988a26a183c74c973cd21dec0329f148573cbc098a4d80b6268602fe06bf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-03T09:44:53Z",
    "title_canon_sha256": "0cfc1fd1299c22327f175c4c25ac6db7303350913dc016c00f26ec901de60a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04664",
    "kind": "arxiv",
    "version": 1
  }
}