Pith Number

pith:QDLDZ2PX

pith:2006:QDLDZ2PXTFAOYVQF7ZICR5PIIY

not attested not anchored not stored refs pending

The high redshift galaxy population in hierarchical galaxy formation models

Garching), Manfred G. Kitzbichler, Simon D. M. White (Max-Planck Institute for Astrophysics

arxiv:astro-ph/0609636 v2 · 2006-09-22 · 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{QDLDZ2PXTFAOYVQF7ZICR5PIIY}

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	2026-07-04T15:16:54.096479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d63ce9f79940ec5605fe5028f5e8463929d6c5f1547ab546f87ef7840d3112

Aliases

arxiv: astro-ph/0609636 · arxiv_version: astro-ph/0609636v2 · doi: 10.48550/arxiv.astro-ph/0609636 · pith_short_12: QDLDZ2PXTFAO · pith_short_16: QDLDZ2PXTFAOYVQF · pith_short_8: QDLDZ2PX

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/QDLDZ2PXTFAOYVQF7ZICR5PIIY \
  | 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: 80d63ce9f79940ec5605fe5028f5e8463929d6c5f1547ab546f87ef7840d3112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f4ae9b959bc6a8988da3f52bd4bf9c077f177c628fbbe8bdbf1acf792d8bf0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-22T21:04:10Z",
    "title_canon_sha256": "bc0b34db4d5a86980a59af8fe99521695d80269253231f8a740cee6e16d92a24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609636",
    "kind": "arxiv",
    "version": 2
  }
}