Pith Number

pith:YNOGNCDR

pith:2007:YNOGNCDRK4E5PTKAYTXX6VWJXQ

not attested not anchored not stored refs pending

The Lopsidedness of Present-Day Galaxies: Results from the Sloan Digital Sky Survey

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

arxiv:0710.0589 v1 · 2007-10-02 · 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{YNOGNCDRK4E5PTKAYTXX6VWJXQ}

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	2026-07-04T15:44:33.884424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c35c6688715709d7cd40c4ef7f56c9bc173743862c44f11f6131c5a7172c03c0

Aliases

arxiv: 0710.0589 · arxiv_version: 0710.0589v1 · doi: 10.48550/arxiv.0710.0589 · pith_short_12: YNOGNCDRK4E5 · pith_short_16: YNOGNCDRK4E5PTKA · pith_short_8: YNOGNCDR

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/YNOGNCDRK4E5PTKAYTXX6VWJXQ \
  | 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: c35c6688715709d7cd40c4ef7f56c9bc173743862c44f11f6131c5a7172c03c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7f624100ab04cb7bf7b7b9060a4516edbd3616fe2d29bf5f68f716108e625e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-02T17:12:20Z",
    "title_canon_sha256": "da58ec7fc900a16cec0ce2d039ec3b273261b56d8215d1961d8ade73eaedcb9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0589",
    "kind": "arxiv",
    "version": 1
  }
}