Pith Number

pith:EQ6EFYGX

pith:2000:EQ6EFYGXVTD2KPJSHJ4GLYDYR2

not attested not anchored not stored refs pending

The Luminosity Function Of Field Galaxies And Its Evolution Since z=1

B. von Kuhlmann, C. Maier, C. Wolf, H.H. Hippelein, H.J. R\"oser, H.-W. Rix, I. Thierring, J.W. Fried, K. Meisenheimer, M. K\"ummel, S. Phleps

arxiv:astro-ph/0012343 v1 · 2000-12-15 · 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{EQ6EFYGXVTD2KPJSHJ4GLYDYR2}

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	2026-07-04T16:17:48.624328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243c42e0d7acc7a53d323a7865e0788e84ae2532f8cbd38ea26ad632a212856f

Aliases

arxiv: astro-ph/0012343 · arxiv_version: astro-ph/0012343v1 · doi: 10.48550/arxiv.astro-ph/0012343 · pith_short_12: EQ6EFYGXVTD2 · pith_short_16: EQ6EFYGXVTD2KPJS · pith_short_8: EQ6EFYGX

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/EQ6EFYGXVTD2KPJSHJ4GLYDYR2 \
  | 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: 243c42e0d7acc7a53d323a7865e0788e84ae2532f8cbd38ea26ad632a212856f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd99e6b39f09570c217cd5c6c70d469cfeef6443585b55179249100e16c0818",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-15T07:31:58Z",
    "title_canon_sha256": "719ee8f92e18ec0154198f6170b0e527dca4adc26618d38613352df922527020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012343",
    "kind": "arxiv",
    "version": 1
  }
}