Pith Number

pith:54BXQSUQ

pith:2007:54BXQSUQ54CMLRBPEWQRVNQLWQ

not attested not anchored not stored refs pending

The rest-frame $K$-band luminosity function of galaxies in clusters to $z=1.3$

B. Holden, P. R. Eisenhardt, P. Rosati, R. De Propris, S. A. Stanford

arxiv:astro-ph/0702050 v1 · 2007-02-02 · 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{54BXQSUQ54CMLRBPEWQRVNQLWQ}

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	2026-05-18T04:37:01.184386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef03784a90ef04c5c42f25a11ab60bb4023bd50fa891a024b731103c78f2247c

Aliases

arxiv: astro-ph/0702050 · arxiv_version: astro-ph/0702050v1 · doi: 10.48550/arxiv.astro-ph/0702050 · pith_short_12: 54BXQSUQ54CM · pith_short_16: 54BXQSUQ54CMLRBP · pith_short_8: 54BXQSUQ

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/54BXQSUQ54CMLRBPEWQRVNQLWQ \
  | 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: ef03784a90ef04c5c42f25a11ab60bb4023bd50fa891a024b731103c78f2247c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915d365e8fccf1bbbfefc2a32a2621de1864f98014c1ab4c1c333f212d40b355",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-02T01:01:32Z",
    "title_canon_sha256": "40238bca65952ce271ffd8f160634a74a422e4f2d11cd816bfa710deaf765f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702050",
    "kind": "arxiv",
    "version": 1
  }
}