Pith Number

pith:KDGKJWMX

pith:2013:KDGKJWMX7YVCCL5CU5FFLCBGAX

not attested not anchored not stored refs pending

Quasar host galaxies in the SDSS Stripe 82

Daniela Bettoni, Jari Kotilainen, Kalle Karhunen, Michela Uslenghi, Renato Falomo

arxiv:1302.1366 v2 · 2013-02-06 · 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{KDGKJWMX7YVCCL5CU5FFLCBGAX}

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	2026-05-18T03:34:15.676209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cca4d997fe2a212fa2a74a55882605e8078a14a1db99480a30ace2dcf8cd6d

Aliases

arxiv: 1302.1366 · arxiv_version: 1302.1366v2 · doi: 10.48550/arxiv.1302.1366 · pith_short_12: KDGKJWMX7YVC · pith_short_16: KDGKJWMX7YVCCL5C · pith_short_8: KDGKJWMX

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/KDGKJWMX7YVCCL5CU5FFLCBGAX \
  | 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: 50cca4d997fe2a212fa2a74a55882605e8078a14a1db99480a30ace2dcf8cd6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055264c0ac16359df322217472b2296cefaa796d021a52c0b30d7494f83038de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-06T13:36:18Z",
    "title_canon_sha256": "2378c519135fe8930b6a51a3b6c3beb02d4448e52c5465927f445b0e5324fddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1366",
    "kind": "arxiv",
    "version": 2
  }
}