Pith Number

pith:L2B5JBDB

pith:1994:L2B5JBDBCVLZRNNHAV4PJ4CMNL

not attested not anchored not stored refs pending

On the Luminosity Function of Early--Type Galaxies

Elena Zucca, Giovanni Zamorani, Lucia Pozzetti

arxiv:astro-ph/9403063 v1 · 1994-03-29 · 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{L2B5JBDBCVLZRNNHAV4PJ4CMNL}

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	2026-05-18T01:40:26.224899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e83d48461155798b5a70578f4f04c6ad5809f8d4d8369471cab40d4917240d7

Aliases

arxiv: astro-ph/9403063 · arxiv_version: astro-ph/9403063v1 · doi: 10.48550/arxiv.astro-ph/9403063 · pith_short_12: L2B5JBDBCVLZ · pith_short_16: L2B5JBDBCVLZRNNH · pith_short_8: L2B5JBDB

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/L2B5JBDBCVLZRNNHAV4PJ4CMNL \
  | 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: 5e83d48461155798b5a70578f4f04c6ad5809f8d4d8369471cab40d4917240d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b278ed05ee2cbe11dc6bf6bb6df646869eb4b3e902980eb3104dcb59849bb2eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-03-29T11:09:43Z",
    "title_canon_sha256": "8fbcf328625e2a0bfeba40d50b5545aea8683514827e8bc3c2ce1d624178e263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9403063",
    "kind": "arxiv",
    "version": 1
  }
}