Pith Number

pith:ZWHVFT2Z

pith:2018:ZWHVFT2ZHRIZ4XVBEKEGK6FVE3

not attested not anchored not stored refs pending

A long hard-X-ray look at the dual active galactic nuclei of M51 with NuSTAR

A. Annuar, A. E. Hornschemeier, A. Ptak, A. Zezas, B. Lehmer, B. Rangelov, D. J. Walton, D. M. Alexander, D. Stern, F. A. Harrison, H. Earnshaw, M. Balokovi\'c, M. Brightman, M. C. Powell, M. Koss, P. Gandhi, T. P. Roberts

arxiv:1805.12140 v2 · 2018-05-30 · 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{ZWHVFT2ZHRIZ4XVBEKEGK6FVE3}

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.

Cited by

1 paper in Pith

Nuclear Activity and Host Galaxy Properties of Low-Luminosity AGN Identified from VLA Observations

Receipt and verification

First computed	2026-05-18T00:00:55.462406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8f52cf593c519e5ea122886578b526de42c5a2578a584253a1dd2c9c845c23

Aliases

arxiv: 1805.12140 · arxiv_version: 1805.12140v2 · doi: 10.48550/arxiv.1805.12140 · pith_short_12: ZWHVFT2ZHRIZ · pith_short_16: ZWHVFT2ZHRIZ4XVB · pith_short_8: ZWHVFT2Z

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/ZWHVFT2ZHRIZ4XVBEKEGK6FVE3 \
  | 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: cd8f52cf593c519e5ea122886578b526de42c5a2578a584253a1dd2c9c845c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f387062362105e38fb034a3c51c5e79d36b19665ae55d710d75a612ef09938d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-30T18:00:02Z",
    "title_canon_sha256": "2bb2281174abc1f7f90f29c15a194f70dfd3f9e5606c06643cc7587e991bafe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12140",
    "kind": "arxiv",
    "version": 2
  }
}