Pith Number

pith:KP6VSLQN

pith:2008:KP6VSLQNJRWHK6BSAROMANVVI3

not attested not anchored not stored refs pending

The Lopsidedness of Present-Day Galaxies: Connections to the Formation of Stars, the Chemical Evolution of Galaxies, and the Growth of Black Holes

Gregory Rudnick, Guinevere Kauffmann, Jarle Brinchmann, Timothy A. Reichard, Timothy M. Heckman, Vivienne Wild

arxiv:0809.3310 v2 · 2008-09-19 · 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{KP6VSLQNJRWHK6BSAROMANVVI3}

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	2026-05-18T02:35:14.754364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53fd592e0d4c6c757832045cc036b546fd81258934521588e2de776de5e9e8ee

Aliases

arxiv: 0809.3310 · arxiv_version: 0809.3310v2 · doi: 10.48550/arxiv.0809.3310 · pith_short_12: KP6VSLQNJRWH · pith_short_16: KP6VSLQNJRWHK6BS · pith_short_8: KP6VSLQN

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/KP6VSLQNJRWHK6BSAROMANVVI3 \
  | 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: 53fd592e0d4c6c757832045cc036b546fd81258934521588e2de776de5e9e8ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df449bdbe3d9d3e4ea021154286b3a11794234ebb091c48d41a815cbe121ec7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-19T19:06:49Z",
    "title_canon_sha256": "09deb1135523a77eb597a0cadb3401c06d8bc979ee73fea4a4a47393d138cca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3310",
    "kind": "arxiv",
    "version": 2
  }
}