Pith Number

pith:FNHDOHQN

pith:2013:FNHDOHQN2TEADAAZPNUJTKZEHC

not attested not anchored not stored refs pending

Photometric classification of emission line galaxies with Machine Learning methods

Giuseppe Longo, Massimo Brescia, Maurizio Paolillo, Raffaele D'Abrusco, Stefano Cavuoti

arxiv:1310.2840 v1 · 2013-10-10 · astro-ph.CO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNHDOHQN2TEADAAZPNUJTKZEHC}

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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.

Cited by

1 paper in Pith

Hunting for extreme high-energy-peaked BL Lacs: Rare to find and difficult to classify

Receipt and verification

First computed	2026-05-18T03:10:45.463457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4e371e0dd4c80180197b6899ab2438b7cab611412e887b5679304789cd7656

Aliases

arxiv: 1310.2840 · arxiv_version: 1310.2840v1 · doi: 10.48550/arxiv.1310.2840 · pith_short_12: FNHDOHQN2TEA · pith_short_16: FNHDOHQN2TEADAAZ · pith_short_8: FNHDOHQN

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/FNHDOHQN2TEADAAZPNUJTKZEHC \
  | 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: 2b4e371e0dd4c80180197b6899ab2438b7cab611412e887b5679304789cd7656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58528259feadfdf13edd45b8adab2cd227ad5a469bcf846cbf1efc737556a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-10T14:41:36Z",
    "title_canon_sha256": "0444776d4e5ca3193aeeadf28b38a925b1f994937103391f21befb68c562db7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2840",
    "kind": "arxiv",
    "version": 1
  }
}