Pith Number

pith:L4GIQZNZ

pith:2003:L4GIQZNZK4WB5ULVBL2JXO3BEE

not attested not anchored not stored refs pending

Galaxy formation in pre-processed dark halos

Amherst), H.J. Mo (UMass, Shude Mao (Jodrell Bank Observatory)

arxiv:astro-ph/0311459 v4 · 2003-11-19 · 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{L4GIQZNZK4WB5ULVBL2JXO3BEE}

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	2026-05-18T01:07:33.156832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f0c8865b9572c1ed1750af49bbb612126258243ad97ef9a83ddfb46541b1e22

Aliases

arxiv: astro-ph/0311459 · arxiv_version: astro-ph/0311459v4 · doi: 10.48550/arxiv.astro-ph/0311459 · pith_short_12: L4GIQZNZK4WB · pith_short_16: L4GIQZNZK4WB5ULV · pith_short_8: L4GIQZNZ

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/L4GIQZNZK4WB5ULVBL2JXO3BEE \
  | 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: 5f0c8865b9572c1ed1750af49bbb612126258243ad97ef9a83ddfb46541b1e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ab13c19ae14df87900591e46ca6a48cdacb7c10f898033938756db1f6c5b89",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-19T20:44:15Z",
    "title_canon_sha256": "6901dfd91252389f8b969047c3f908d3836867f5664914be884fd8aa89eaa12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311459",
    "kind": "arxiv",
    "version": 4
  }
}