Pith Number

pith:H53FYZ7N

pith:2002:H53FYZ7NGZUU7UOJMOTO3LBQMZ

not attested not anchored not stored refs pending

Observing Massive Galaxy Formation

Christopher J. Conselice (Caltech)

arxiv:astro-ph/0212468 v1 · 2002-12-20 · 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{H53FYZ7NGZUU7UOJMOTO3LBQMZ}

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	2026-05-18T01:07:35.556714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f765c67ed36694fd1c963a6edac30667ef645c5f07cb57293c430d2831a0efd

Aliases

arxiv: astro-ph/0212468 · arxiv_version: astro-ph/0212468v1 · doi: 10.48550/arxiv.astro-ph/0212468 · pith_short_12: H53FYZ7NGZUU · pith_short_16: H53FYZ7NGZUU7UOJ · pith_short_8: H53FYZ7N

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/H53FYZ7NGZUU7UOJMOTO3LBQMZ \
  | 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: 3f765c67ed36694fd1c963a6edac30667ef645c5f07cb57293c430d2831a0efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e18fb8a732b209ee0debf4023e16bd4a3270a5b9239b48590e678b558aa38c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-20T04:02:22Z",
    "title_canon_sha256": "045642d325e6c971947469ea61daa335a695d2fb15ccfb8f1c10fb5cef25d983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212468",
    "kind": "arxiv",
    "version": 1
  }
}