Pith Number

pith:JA3JWQLX

pith:2009:JA3JWQLXLGLO2FTYRGTXMQRLGH

not attested not anchored not stored refs pending

The nature of the SDSS galaxies in various classes based on morphology, colour and spectral features - II. Multi-wavelength properties

2), Astronomy, Changbom Park (3), Daejeon, Department of Physics, Evolution of the Cosmos, Joon Hyeop Lee (1, Korea), Korea; (2) Astronomy Program, Korea; (3) Korea Institute for Advanced Study, Korea; (4) Astrophysical Research Center for the Structure, Myung Gyoon Lee (2), Sejong University, Seoul, Seoul National University, Space Science Institute, Yun-Young Choi (4) ((1) Korea Astronomy

arxiv:0909.3541 v2 · 2009-09-21 · 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{JA3JWQLXLGLO2FTYRGTXMQRLGH}

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	2026-05-18T02:11:46.252926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48369b41775996ed167889a776422b31e83b296c00c0f191ffc831805cd0cf2c

Aliases

arxiv: 0909.3541 · arxiv_version: 0909.3541v2 · doi: 10.48550/arxiv.0909.3541 · pith_short_12: JA3JWQLXLGLO · pith_short_16: JA3JWQLXLGLO2FTY · pith_short_8: JA3JWQLX

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/JA3JWQLXLGLO2FTYRGTXMQRLGH \
  | 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: 48369b41775996ed167889a776422b31e83b296c00c0f191ffc831805cd0cf2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb353e648cb4a2b5ea38aab2123ebae2a99c57e2301a53b94ecce42f19713e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-21T13:23:29Z",
    "title_canon_sha256": "4375315ba0c5e1eefe57011d9ad0ef5065440b51a7abc3dec5f7cb7e19f0df42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3541",
    "kind": "arxiv",
    "version": 2
  }
}