Pith Number

pith:QSFENRS3

pith:2014:QSFENRS3KSGAOV4PU3NFNIPS3T

not attested not anchored not stored refs pending

The broad band spectral variability of MCG-6-30-15 observed by NuSTAR and XMM-Newton

A. C. Fabian, A. Marinucci, C.J. Hailey, C. S. Reynolds, D. J. Walton, D. K. Stern, D. R. Ballantyne, E. Kara, F. A. Harrison, F. E. Christensen, G. Matt, G. Miniutti, G. Risaliti, L. Brenneman, M. Cappi, M. Elvis, M. Guainazzi, M. L. Parker, P. Arevalo, S. E. Boggs, W. W. Craig, W. Zhang

arxiv:1404.3561 v1 · 2014-04-14 · 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{QSFENRS3KSGAOV4PU3NFNIPS3T}

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	2026-05-18T01:43:34.974863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

848a46c65b548c07578fa6da56a1f2dce23c4a816f00d9e60d62c0b5c0b928f8

Aliases

arxiv: 1404.3561 · arxiv_version: 1404.3561v1 · doi: 10.48550/arxiv.1404.3561 · pith_short_12: QSFENRS3KSGA · pith_short_16: QSFENRS3KSGAOV4P · pith_short_8: QSFENRS3

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/QSFENRS3KSGAOV4PU3NFNIPS3T \
  | 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: 848a46c65b548c07578fa6da56a1f2dce23c4a816f00d9e60d62c0b5c0b928f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aeeb90be544bf091b824f32773e8ab54d412d88c2f211823b7e48f31e08f4b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-04-14T12:50:52Z",
    "title_canon_sha256": "732bda1d5db6d156a4cfac8041b4ba2fc8463d43764586afbef6acdfe17c7a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3561",
    "kind": "arxiv",
    "version": 1
  }
}