Pith Number

pith:LDYJXOSM

pith:2013:LDYJXOSMJG52RKXM7KNEYHKFDS

not attested not anchored not stored refs pending

The nature of LINER galaxies: Ubiquitous hot old stars and rare accreting black holes

A. Pasquali, B. Husemann, B. Ziegler, D. Mast, G. van de Ven, I. M\'arquez, J. Alves, J. Falc\'on-Barroso, J. Masegosa, J. Walcher, K. Jahnke, L. Galbany, L. Wisotzki, M. Lyubenova, R. A. Marino, R. Cid Fernandes, R. C. Kennicutt, R. Garc\'ia-Benito, R. Singh, S. F. S\'anchez, the CALIFA collaboration, V. Wild

arxiv:1308.4271 v2 · 2013-08-20 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDYJXOSMJG52RKXM7KNEYHKFDS}

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	2026-05-18T03:11:46.145234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f09bba4c49bba8aaecfa9a4c1d451cb48c94cd47113e9b3eccff59d6faece1

Aliases

arxiv: 1308.4271 · arxiv_version: 1308.4271v2 · doi: 10.48550/arxiv.1308.4271 · pith_short_12: LDYJXOSMJG52 · pith_short_16: LDYJXOSMJG52RKXM · pith_short_8: LDYJXOSM

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/LDYJXOSMJG52RKXM7KNEYHKFDS \
  | 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: 58f09bba4c49bba8aaecfa9a4c1d451cb48c94cd47113e9b3eccff59d6faece1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "120df5ae8d3777633ba0e539d9328458841e064e5d07ccde2edaef2579522b2a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-20T09:36:58Z",
    "title_canon_sha256": "4ed6e712ceb940e45230d516bd1945af23ba65747a824ea537fb1ba245a93b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4271",
    "kind": "arxiv",
    "version": 2
  }
}