Pith Number

pith:Z32DLFIS

pith:2014:Z32DLFISGD5GR4QD7MNMV36K25

not attested not anchored not stored refs pending

Swift monitoring of NGC 5548: X-ray reprocessing and short term UV/optical variability

1), (2) Max-Planck-Institut fur extraterrestrische Physik, (3) Universidad de Chile, (4) Spectral Sciences Inc, (5) University of Warwick (6) Pontifcia Universidad Catolica de Chile (7) Universidad de Valparaiso (8) Astronomical Institute `Anton Pannekoek'), 7), D. Emmanoulopoulos (1), D. T. Cameron (1), E. Breedt (5), I. M. McHardy (1), J. Gelbord (4), P. Arevalo (6, P. Lira (3), P. Uttley (8) ((1) University of Southampton, S. Connolly (1), T. Dwelly (2

arxiv:1407.6361 v1 · 2014-07-23 · 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{Z32DLFISGD5GR4QD7MNMV36K25}

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	2026-05-18T01:42:32.545725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef435951230fa68f203fb1acaefcad76aa6762af8211f78e4383440a410cdd0

Aliases

arxiv: 1407.6361 · arxiv_version: 1407.6361v1 · doi: 10.48550/arxiv.1407.6361 · pith_short_12: Z32DLFISGD5G · pith_short_16: Z32DLFISGD5GR4QD · pith_short_8: Z32DLFIS

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/Z32DLFISGD5GR4QD7MNMV36K25 \
  | 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: cef435951230fa68f203fb1acaefcad76aa6762af8211f78e4383440a410cdd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e87f54ace73a6b69e6b516000b74ee690a84cc365e6bbdd3b7abbe51ea94ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-23T20:00:17Z",
    "title_canon_sha256": "1c72b83cb15e6bc7d5fa6299d92ce3334870a06413a42be8ad7e0d19c1444a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6361",
    "kind": "arxiv",
    "version": 1
  }
}