Pith Number

pith:J32XS7ZL

pith:2013:J32XS7ZL57TJC7MGSXG77RIZW4

not attested not anchored not stored refs pending

Galaxy Zoo: Observing Secular Evolution Through Bars

A. Bosma, Chris Lintott, David C. Koo, E. Athanassoula, Edmond Cheung, Eric F. Bell, Karen L. Masters, Kevin Schawinski, Kyle W. Willett, Ramin A. Skibba, Robert C. Nichol, S. M. Faber, Thomas Melvin

arxiv:1310.2941 v2 · 2013-10-10 · 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{J32XS7ZL57TJC7MGSXG77RIZW4}

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	2026-05-18T01:47:06.797831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ef5797f2befe6917d8695cdffc519b71e96af1e7987840a55e1ccb42b87844d

Aliases

arxiv: 1310.2941 · arxiv_version: 1310.2941v2 · doi: 10.48550/arxiv.1310.2941 · pith_short_12: J32XS7ZL57TJ · pith_short_16: J32XS7ZL57TJC7MG · pith_short_8: J32XS7ZL

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/J32XS7ZL57TJC7MGSXG77RIZW4 \
  | 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: 4ef5797f2befe6917d8695cdffc519b71e96af1e7987840a55e1ccb42b87844d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4aa2a82865d2f50600e805c86228262c78874d9a2785c814ce4e4535834a86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-10T20:00:02Z",
    "title_canon_sha256": "e53892d6bf8c23c8bf69b5b9f0fbc3a595ab244f180227b5f2ab3bacb28d8322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2941",
    "kind": "arxiv",
    "version": 2
  }
}