Pith Number

pith:LD3IJBY6

pith:2004:LD3IJBY6VJ6GPA2Y3Z6CFYZI4M

not attested not anchored not stored refs pending

Bar-Driven Evolution and 2D Spectroscopy of Bulges

A. Chung, E. Athanassoula, G. Aronica, M. Bureau

arxiv:astro-ph/0407564 v1 · 2004-07-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD3IJBY6VJ6GPA2Y3Z6CFYZI4M}

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	2026-05-18T01:21:50.125416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f684871eaa7c678358de7c22e328e314e26d3124291c74a3b126c9fc97647c

Aliases

arxiv: astro-ph/0407564 · arxiv_version: astro-ph/0407564v1 · doi: 10.48550/arxiv.astro-ph/0407564 · pith_short_12: LD3IJBY6VJ6G · pith_short_16: LD3IJBY6VJ6GPA2Y · pith_short_8: LD3IJBY6

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/LD3IJBY6VJ6GPA2Y3Z6CFYZI4M \
  | 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: 58f684871eaa7c678358de7c22e328e314e26d3124291c74a3b126c9fc97647c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fcabcb493b7eaa49f7a24f5c2f3e622cebce21d5e035e8a6849167a845883d3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-28T00:10:31Z",
    "title_canon_sha256": "ba6cc46cfe8e8b6cde252ac50cd69f8ffdd00eabec43a95528e14a77daf9b51a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407564",
    "kind": "arxiv",
    "version": 1
  }
}