Pith Number

pith:IQDY7K46

pith:2003:IQDY7K46GJC5R46DLH5HLXYJZH

not attested not anchored not stored refs pending

The Tilt of the Fundamental Plane: Three-quarters Structural Nonhomology, One-quarter Stellar Population

A. Burkert, Eric. F. Bell, I. Trujillo

arxiv:astro-ph/0311383 v2 · 2003-11-17 · 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{IQDY7K46GJC5R46DLH5HLXYJZH}

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	2026-07-04T16:37:50.396772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44078fab9e3245d8f3c359fa75df09c9d80f29ab9b9d011f4d958d339ba96051

Aliases

arxiv: astro-ph/0311383 · arxiv_version: astro-ph/0311383v2 · doi: 10.48550/arxiv.astro-ph/0311383 · pith_short_12: IQDY7K46GJC5 · pith_short_16: IQDY7K46GJC5R46D · pith_short_8: IQDY7K46

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/IQDY7K46GJC5R46DLH5HLXYJZH \
  | 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: 44078fab9e3245d8f3c359fa75df09c9d80f29ab9b9d011f4d958d339ba96051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad5826d591d2a0968b33727b93149431b0189e16696862160306c5591458dbee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-17T14:24:24Z",
    "title_canon_sha256": "ddaf8b4eef13071ac288cf9c02b09a017186465cfff8c0eaaae741cc86294bde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311383",
    "kind": "arxiv",
    "version": 2
  }
}