Pith Number

pith:DYMKL2QR

pith:2002:DYMKL2QR5QC4UYBXZEUHIK6FB4

not attested not anchored not stored refs pending

Radial orbital anisotropy and the Fundamental Plane of elliptical galaxies

Carlo Nipoti, Luca Ciotti, Pasquale Londrillo

arxiv:astro-ph/0201402 v1 · 2002-01-24 · 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{DYMKL2QR5QC4UYBXZEUHIK6FB4}

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	2026-07-04T16:29:18.510247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e18a5ea11ec05ca6037c928742bc50f3e36f0135a202f279ee345c9b139ac12

Aliases

arxiv: astro-ph/0201402 · arxiv_version: astro-ph/0201402v1 · doi: 10.48550/arxiv.astro-ph/0201402 · pith_short_12: DYMKL2QR5QC4 · pith_short_16: DYMKL2QR5QC4UYBX · pith_short_8: DYMKL2QR

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/DYMKL2QR5QC4UYBXZEUHIK6FB4 \
  | 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: 1e18a5ea11ec05ca6037c928742bc50f3e36f0135a202f279ee345c9b139ac12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08663c4e346ec00034cfb60f733de6d5a825646cce2a25becdbe55e080257bf2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-24T10:39:26Z",
    "title_canon_sha256": "bcacd7850b655aa62a411c19bc1803fcb64a6d1867ed05638767d34f3b107329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201402",
    "kind": "arxiv",
    "version": 1
  }
}