Pith Number

pith:IF2JTJKN

pith:2015:IF2JTJKNMYFFSTXMTVWWVPIMID

not attested not anchored not stored refs pending

Dissecting the Power Sources of Low-Luminosity Emission-Line Galaxy Nuclei via Comparison of HST-STIS and Ground-Based Spectra

(2) Ohio U., (3) Kavli Institute for Astronomy, 4), (4) Peking U., (5) UC Irvine, (6) UC Berkeley), Aaron J. Barth (5), Alexei V. Filippenko (6), Anca Constantin (1), Astrophysics, Christopher A. Castillo (1) ((1) James Madison U., Joseph C. Shields (2), Luis C. Ho (3

arxiv:1509.04297 v1 · 2015-09-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IF2JTJKNMYFFSTXMTVWWVPIMID}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:24:52.361037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

417499a54d660a594eec9d6d6abd0c40e94eb300771e25ed0913ee732d4ebb34

Aliases

arxiv: 1509.04297 · arxiv_version: 1509.04297v1 · doi: 10.48550/arxiv.1509.04297 · pith_short_12: IF2JTJKNMYFF · pith_short_16: IF2JTJKNMYFFSTXM · pith_short_8: IF2JTJKN

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/IF2JTJKNMYFFSTXMTVWWVPIMID \
  | 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: 417499a54d660a594eec9d6d6abd0c40e94eb300771e25ed0913ee732d4ebb34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6dfbc965afd795efde5c11d6524cb280571080778b8ec68d89ab8c560040ac",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-14T20:15:33Z",
    "title_canon_sha256": "6f657f51b1f01ca674cd196d7196dd63b4526e79ee3dad94f6b59de1fd19ece5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04297",
    "kind": "arxiv",
    "version": 1
  }
}