Pith Number

pith:NFZFHOD7

pith:2009:NFZFHOD7SJ4GL6R7TDBKHW4BPS

not attested not anchored not stored refs pending

Modelling the dusty universe I: Introducing the artificial neural network and first applications to luminosity and colour distributions

(2) INAF, 3, (3) INAF, 4) ((1) Institute for Computational Cosmology, (4) INOE, A. Bressan (2, C. Almeida (1), C. G. Lacey (1), C. M. Baugh (1), C. S. Frenk (1), G. L. Granato (2), Italy, L. Silva (3), Mexico), Osservatorio Astronomico di Padova, Osservatorio Astronomico di Trieste, UK, University of Durham

arxiv:0906.3522 v1 · 2009-06-18 · 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{NFZFHOD7SJ4GL6R7TDBKHW4BPS}

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	2026-05-18T02:13:18.972154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697253b87f927865fa3f98c2a3db817c96ef585d174e7e7fb3173fead8a6e650

Aliases

arxiv: 0906.3522 · arxiv_version: 0906.3522v1 · doi: 10.48550/arxiv.0906.3522 · pith_short_12: NFZFHOD7SJ4G · pith_short_16: NFZFHOD7SJ4GL6R7 · pith_short_8: NFZFHOD7

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/NFZFHOD7SJ4GL6R7TDBKHW4BPS \
  | 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: 697253b87f927865fa3f98c2a3db817c96ef585d174e7e7fb3173fead8a6e650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "713a647cd164d2679ddc7cbcd441841e35b9843cbdcb76dc216d79c8e4c52600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-18T20:34:42Z",
    "title_canon_sha256": "d5500ea568bf38f32d52d4772ef4c4fca7fa6e584320a2ca90dd032e4bac29ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3522",
    "kind": "arxiv",
    "version": 1
  }
}