Pith Number

pith:2DNMD2GZ

pith:1996:2DNMD2GZWFUNE7P22T3VGRCKK5

not attested not anchored not stored refs pending

Measuring the evolution of the M/L ratio from the Fundamental Plane in CL 0024+16 at z=0.39

Marijn Franx, Pieter van Dokkum

arxiv:astro-ph/9603029 v1 · 1996-03-07 · 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{2DNMD2GZWFUNE7P22T3VGRCKK5}

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	2026-07-04T14:49:16.830658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0dac1e8d9b168d27dfad4f753444a577be1f5c1f78331d91de2b811b6df3775

Aliases

arxiv: astro-ph/9603029 · arxiv_version: astro-ph/9603029v1 · doi: 10.48550/arxiv.astro-ph/9603029 · pith_short_12: 2DNMD2GZWFUN · pith_short_16: 2DNMD2GZWFUNE7P2 · pith_short_8: 2DNMD2GZ

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/2DNMD2GZWFUNE7P22T3VGRCKK5 \
  | 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: d0dac1e8d9b168d27dfad4f753444a577be1f5c1f78331d91de2b811b6df3775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d18d623a9dd2925a37161d70b47e8c3df92d50c071eac9efe49d496b2e06284f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-03-07T14:54:26Z",
    "title_canon_sha256": "fd5ed64c676c482797dbbfbea150854a3e75da13c2f882796b1cc67a7f8cebab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9603029",
    "kind": "arxiv",
    "version": 1
  }
}