Pith Number

pith:YU3KIR37

pith:2026:YU3KIR37KAJYC7FU6FKJA4BYWC

not attested not anchored not stored refs pending

A candidate cyclotron line at 1.89 keV in the ultraluminous X-ray source NGC 4861 X-2

Amar Deo Chandra, Andrea Santangelo, Aysun Akyuz, Faruk Soydugan, Lorenzo Ducci, Santina Piraino, Sinan Allak, Valery F. Suleimanov, Wei Yu

arxiv:2606.04734 v1 · 2026-06-03 · 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{YU3KIR37KAJYC7FU6FKJA4BYWC}

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	2026-06-04T01:09:27.436473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c536a4477f5013817cb4f154907038b0b6699c2af7668b9550b3fcfcaf5e53a6

Aliases

arxiv: 2606.04734 · arxiv_version: 2606.04734v1 · doi: 10.48550/arxiv.2606.04734 · pith_short_12: YU3KIR37KAJY · pith_short_16: YU3KIR37KAJYC7FU · pith_short_8: YU3KIR37

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/YU3KIR37KAJYC7FU6FKJA4BYWC \
  | 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: c536a4477f5013817cb4f154907038b0b6699c2af7668b9550b3fcfcaf5e53a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc5f0ac8c4b06f5c031749c6b2707f58983ed3d761dc6b75d6d5b3c5d92b1ba7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-03T11:16:52Z",
    "title_canon_sha256": "f1b6cb97a13bc482981f30ff9624b0a05b3f1b9ce7cfa16d2aa8880c09fc5332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04734",
    "kind": "arxiv",
    "version": 1
  }
}