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Pith Number

pith:PFC6NLY4

pith:2000:PFC6NLY4ZHEYI5XJWPIBEMJ2ZL
not attested not anchored not stored refs pending

On the Nature of AX J2049.6+2939 and AX J2050.0+2914

Emi Miyata, Hiroshi Tsunemi, Kenichi Torii, Kouji Ohta, Takashi Hasegawa, Toshiaki Takeshima, Yasuhiro Hashimoto

arxiv:astro-ph/0011535 v1 · 2000-11-29 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PFC6NLY4ZHEYI5XJWPIBEMJ2ZL}

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 2026-05-18T01:07:46.236513Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7945e6af1cc9c98476e9b3d012313acaf9fbfafd67f8e2ee66aaec23a7826261

Aliases

arxiv: astro-ph/0011535 · arxiv_version: astro-ph/0011535v1 · doi: 10.48550/arxiv.astro-ph/0011535 · pith_short_12: PFC6NLY4ZHEY · pith_short_16: PFC6NLY4ZHEYI5XJ · pith_short_8: PFC6NLY4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PFC6NLY4ZHEYI5XJWPIBEMJ2ZL \
  | 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: 7945e6af1cc9c98476e9b3d012313acaf9fbfafd67f8e2ee66aaec23a7826261
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0450746163ec18b2e9db3ddb918b83d3413fb0745f82588880c8b7b50b0ac8f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-29T02:26:07Z",
    "title_canon_sha256": "f92ae1448caec62e204afa7a68a70bb7b8cb2f97b440840ec71b1c4f1aa89515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011535",
    "kind": "arxiv",
    "version": 1
  }
}