Pith Number

pith:5D7LRDUY

pith:2012:5D7LRDUYORPVOHNALBPAO6UVEP

not attested not anchored not stored refs pending

Polar Ring Galaxies in the Galaxy Zoo

Ido Finkelman, Noah Brosch, S. J. Jose G. Funes

arxiv:1202.5033 v2 · 2012-02-22 · 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{5D7LRDUYORPVOHNALBPAO6UVEP}

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	2026-05-18T01:58:20.598810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8feb88e98745f571da0585e077a9523f5cf5a25780019beaead95d73edf86f6

Aliases

arxiv: 1202.5033 · arxiv_version: 1202.5033v2 · doi: 10.48550/arxiv.1202.5033 · pith_short_12: 5D7LRDUYORPV · pith_short_16: 5D7LRDUYORPVOHNA · pith_short_8: 5D7LRDUY

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/5D7LRDUYORPVOHNALBPAO6UVEP \
  | 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: e8feb88e98745f571da0585e077a9523f5cf5a25780019beaead95d73edf86f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45e7e1e36f3ce168206e05f5c782e02f22105b5472fc4e54b7954dc394c22bb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-22T21:00:00Z",
    "title_canon_sha256": "3eec443d619c397f6ec4f447b3140a5d383b447339ca35f9a31b2b70d51bc48d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5033",
    "kind": "arxiv",
    "version": 2
  }
}