Pith Number

pith:NCNFPH4O

pith:2016:NCNFPH4OEBLIVQ7THA6JWBQSID

not attested not anchored not stored refs pending

NuSTAR discovery of a cyclotron line in the accreting X-ray pulsar IGR J16393-4643

(10) Caltech, (11) NASA-GSFC), ((1) Georgia College, (2) SSL-UC Berkeley, (3) IKI Moscow, (4) JPL-Caltech, (5) Columbia University, (6) ESO, 7), (7) Harvard University, (8) DTU Space, 9), (9) LLNL, Arash Bodaghee (1), Charles J. Hailey (5), Daniel Stern (4), Farid Rahoui (6, Finn E. Christensen (8), Fiona A. Harrison (10), Francesca A. Fornasini (2), John A. Tomsick (2), Kaya Mori (5), Roman Krivonos (3), Steven E. Boggs (2), William W. Craig (2, William W. Zhang (11)

arxiv:1603.05580 v1 · 2016-03-17 · 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{NCNFPH4OEBLIVQ7THA6JWBQSID}

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	2026-05-18T01:12:48.733625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689a579f8e20568ac3f3383c9b061240e62f0d90ccbcb88b0f2df5e664badd43

Aliases

arxiv: 1603.05580 · arxiv_version: 1603.05580v1 · doi: 10.48550/arxiv.1603.05580 · pith_short_12: NCNFPH4OEBLI · pith_short_16: NCNFPH4OEBLIVQ7T · pith_short_8: NCNFPH4O

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/NCNFPH4OEBLIVQ7THA6JWBQSID \
  | 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: 689a579f8e20568ac3f3383c9b061240e62f0d90ccbcb88b0f2df5e664badd43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d2e3629dec7049ad092f7b7b7bae2fe58af029b0c46915c18886b6e958590a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-17T17:24:18Z",
    "title_canon_sha256": "23d4118bbc5c81cc808a9526e29011f6f12864bd2a5d8e2e9b2f16fe1bb76e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05580",
    "kind": "arxiv",
    "version": 1
  }
}