Pith Number

pith:PQNOP7AD

pith:2018:PQNOP7ADODAX2YC7SRAELPXO5L

not attested not anchored not stored refs pending

NuSTAR Hard X-ray View of Low-luminosity Active Galactic Nuclei: High-energy Cutoff and Truncated Thin Disk

(2) NASA Goddard Space Flight Center, (3) Peking University, (4) Shanghai Astronomical Observatory, (5) Ehime University, (6) University of Washington, 7) ((1) The George Washington University, (7) Johns Hopkins Universit, Andrew Ptak (2), Beijing, China, Daniela Huppenkothen (6), Ehime, Feng Yuan (4), Fu-Guo Xie (4), George Younes (1), Japan, Luis C. Ho (3), MD, Mihoko Yukita (2, Seattle WA, Shanghai, USA, USA), Washington DC, Yuichi Terasima (5)

arxiv:1811.10657 v2 · 2018-11-26 · astro-ph.GA · 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{PQNOP7ADODAX2YC7SRAELPXO5L}

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	2026-05-17T23:56:16.642761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1ae7fc0370c17d605f944045beeeeada15930482909dfc3b1b865efabe1c9e

Aliases

arxiv: 1811.10657 · arxiv_version: 1811.10657v2 · doi: 10.48550/arxiv.1811.10657 · pith_short_12: PQNOP7ADODAX · pith_short_16: PQNOP7ADODAX2YC7 · pith_short_8: PQNOP7AD

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/PQNOP7ADODAX2YC7SRAELPXO5L \
  | 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: 7c1ae7fc0370c17d605f944045beeeeada15930482909dfc3b1b865efabe1c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f45748246778ab86545305a6db76c748e4a31c3d764a114c72141a9f8baca8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T19:34:20Z",
    "title_canon_sha256": "3f38cd340f79b81f2fe57ab3ad4bf50201a6c9a89a781c2c7ec268849610ce9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10657",
    "kind": "arxiv",
    "version": 2
  }
}