Pith Number

pith:FS2G543I

pith:1999:FS2G543IARNZFV2ZKAIRMRBFWY

not attested not anchored not stored refs pending

The Fundamental Plane of Gravitational Lens Galaxies and The Evolution of Early-Type Galaxies in Low Density Environments

B.A. McLeod (1) H.-W. Rix (3), C.D. Impey (2), C.R. Keeton (2), C.S. Kochanek (1), C.Y. Peng (2) ((1) Harvard-Smithsonian Center for Astrophysics (2) Steward Observatory, E.E. Falco (1), J.A. Munoz (1), J. Lehar (1), University of Arizona (3) Max-Planck-Institut fuer Astronomie)

arxiv:astro-ph/9909018 v2 · 1999-09-01 · 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{FS2G543IARNZFV2ZKAIRMRBFWY}

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	2026-05-18T04:20:04.057552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb46ef368045b92d7595011164425b61b0ed56632c7d29d3aa86054ac6eb618

Aliases

arxiv: astro-ph/9909018 · arxiv_version: astro-ph/9909018v2 · doi: 10.48550/arxiv.astro-ph/9909018 · pith_short_12: FS2G543IARNZ · pith_short_16: FS2G543IARNZFV2Z · pith_short_8: FS2G543I

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/FS2G543IARNZFV2ZKAIRMRBFWY \
  | 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: 2cb46ef368045b92d7595011164425b61b0ed56632c7d29d3aa86054ac6eb618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fecb8de3e0fd645409026a137d9c5ac8f4389ea092ddf5bd1cd832ebc7751e60",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-01T17:50:08Z",
    "title_canon_sha256": "cf14dd4e87cc62bd805e68ebc3e0f1d6d9b722d07ed7ccd47bc523fce3bcdca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909018",
    "kind": "arxiv",
    "version": 2
  }
}