pith. sign in
Pith Number

pith:FSA5MERI

pith:2017:FSA5MERIISENRI3JDEBXY3C7ZP
not attested not anchored not stored refs pending

SWIFT Detection of a 65-Day X-ray Period from the Ultraluminous Pulsar NGC 7793 P13

Albert K. H. Kong, Chin-Ping Hu, C.-Y. Ng, K. L. Li, Lupin Chun-Che Lin

arxiv:1701.02449 v1 · 2017-01-10 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FSA5MERIISENRI3JDEBXY3C7ZP}

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 2026-05-18T00:52:12.871107Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c81d612284488d8a36919037c6c5fcbea78456cef83c280f8a26b60d789a05a

Aliases

arxiv: 1701.02449 · arxiv_version: 1701.02449v1 · doi: 10.48550/arxiv.1701.02449 · pith_short_12: FSA5MERIISEN · pith_short_16: FSA5MERIISENRI3J · pith_short_8: FSA5MERI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FSA5MERIISENRI3JDEBXY3C7ZP \
  | 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: 2c81d612284488d8a36919037c6c5fcbea78456cef83c280f8a26b60d789a05a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bc591cc2225d9ca068a944ab678c4dc65c2728ac85c33c82209aa6a5c5f97e52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-10T07:06:57Z",
    "title_canon_sha256": "d378476bb41c5e3f673a733861c85ab3a250f71efa1a85ed6c28ef0cdce7d901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02449",
    "kind": "arxiv",
    "version": 1
  }
}