Pith Number

pith:C6ALA3KJ

pith:2010:C6ALA3KJL3OGYICX575FGT3GII

not attested not anchored not stored refs pending

The peculiar Horizontal Branch of NGC 2808

B. Lanzoni (1), E. Dalessandro (1), E. Sabbi (6) ((1) Astronomy Department - University of Bologna (2) Astrophysics Research Institute - Liverpool John Moores University (3) INAF - Osservatorio Astronomico di Collurania (4) Astronomy Department - University of Virginia (5) INAF - Osservatorio Astronomico di Bologna (6) Space Telescope Science Institute), F. Fusi Pecci (5), F. R. Ferraro (1), M. Salaris (2), R. T. Rood (4), S. Cassisi (3)

arxiv:1008.4478 v1 · 2010-08-26 · astro-ph.SR

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:05:42.526226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1780b06d495edc6c2057effa534f664206789f1e9c571633f4f60f0afd79a3f7

Aliases

arxiv: 1008.4478 · arxiv_version: 1008.4478v1 · doi: 10.48550/arxiv.1008.4478

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/C6ALA3KJL3OGYICX575FGT3GII \
  | 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: 1780b06d495edc6c2057effa534f664206789f1e9c571633f4f60f0afd79a3f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab2a5cff1233f2b4af476810a9770bc2900c3b69edaf908e8d6d3278024c3f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-26T11:24:30Z",
    "title_canon_sha256": "ee14d5aaf415b1effcb9d88f2da21d2598e27d586d655d3c27ce313659b53120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4478",
    "kind": "arxiv",
    "version": 1
  }
}