Pith Number

pith:NSQP74SF

pith:2019:NSQP74SFK7DJVDQVRWB3NG7RGG

not attested not anchored not stored refs pending

Super-Eddington accretion onto the Galactic ultraluminous X-ray pulsar Swift J0243.6+6124

Hua Feng, JinLu Qu, Lian Tao, Qingcui Bu, ShuangNan Zhang, Shu Zhang, Yue Zhang

arxiv:1901.09485 v1 · 2019-01-28 · 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{NSQP74SFK7DJVDQVRWB3NG7RGG}

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	2026-05-17T23:52:03.044160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca0fff24557c69a8e158d83b69bf131b935c1c5deaf56c20189cf925b937947

Aliases

arxiv: 1901.09485 · arxiv_version: 1901.09485v1 · doi: 10.48550/arxiv.1901.09485 · pith_short_12: NSQP74SFK7DJ · pith_short_16: NSQP74SFK7DJVDQV · pith_short_8: NSQP74SF

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/NSQP74SFK7DJVDQVRWB3NG7RGG \
  | 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: 6ca0fff24557c69a8e158d83b69bf131b935c1c5deaf56c20189cf925b937947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d92a2587234b37873fcd7cbd3e919e37044306f46640dadbcc201cba3744eb9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-28T01:50:39Z",
    "title_canon_sha256": "6ff3fa75a39fcd9a76629cd7a9dbc6750e26150d3d91490835eafca1cc3704fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09485",
    "kind": "arxiv",
    "version": 1
  }
}