Pith Number

pith:NOSPZJ3A

pith:2010:NOSPZJ3AOUWZP4AGH65YC72CA5

not attested not anchored not stored refs pending

A Bayesian approach to star-galaxy classification

Axel Gandy, Daniel J. Mortlock, David J. Hand, Marc Henrion

arxiv:1011.5770 v1 · 2010-11-26 · astro-ph.IM · physics.data-an · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOSPZJ3AOUWZP4AGH65YC72CA5}

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	2026-05-18T03:17:25.215292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba4fca760752d97f0063fbb817f4207445f20b0f02a53777733aa02bfd651e5

Aliases

arxiv: 1011.5770 · arxiv_version: 1011.5770v1 · doi: 10.48550/arxiv.1011.5770 · pith_short_12: NOSPZJ3AOUWZ · pith_short_16: NOSPZJ3AOUWZP4AG · pith_short_8: NOSPZJ3A

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/NOSPZJ3AOUWZP4AGH65YC72CA5 \
  | 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: 6ba4fca760752d97f0063fbb817f4207445f20b0f02a53777733aa02bfd651e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99d846e1c2bc35e6b12c63347a482803ef94f9344626433420cc245d92c0a18",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-11-26T12:21:51Z",
    "title_canon_sha256": "5a90058ee772f9e6a241c8f5e39c6f8a559313612dba5da9c3a39d6b828cff5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5770",
    "kind": "arxiv",
    "version": 1
  }
}