Pith Number

pith:HTDIFIXD

pith:2014:HTDIFIXDOL5UTBZRYXOT5KHCZY

not attested not anchored not stored refs pending

Simultaneous NuSTAR and XMM-Newton 0.5-80 keV spectroscopy of the Narrow Line Seyfert 1 galaxy SWIFT J2127.4+5654

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. Bauer, F. E. Christensen, F. Fuerst, G. Matt, G. Miniutti, G. Risaliti, L. Brenneman, M. Balokovic, M. Cappi, M. Elvis, P. Arevalo, S. E. Boggs, W. W. Craig, W. Zhang

arxiv:1402.7245 v1 · 2014-02-28 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTDIFIXDOL5UTBZRYXOT5KHCZY}

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	2026-05-18T01:44:21.818382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc682a2e372fb498731c5dd3ea8e2ce1e1ece62e29b14f2027807f4a4a49b6d

Aliases

arxiv: 1402.7245 · arxiv_version: 1402.7245v1 · doi: 10.48550/arxiv.1402.7245 · pith_short_12: HTDIFIXDOL5U · pith_short_16: HTDIFIXDOL5UTBZR · pith_short_8: HTDIFIXD

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/HTDIFIXDOL5UTBZRYXOT5KHCZY \
  | 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: 3cc682a2e372fb498731c5dd3ea8e2ce1e1ece62e29b14f2027807f4a4a49b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5e9d3c73d7175b6cabf3d99fbc9a8c066eca5ff2b7cf1d36afce8b0964f2022",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-02-28T13:47:07Z",
    "title_canon_sha256": "67981096c754eedee9d9be91c593237bbf8da0d1c55cb6991e28cb8da60768b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7245",
    "kind": "arxiv",
    "version": 1
  }
}