Pith Number

pith:QA5QKUUK

pith:2005:QA5QKUUKUK6FFW6RWM2KS43AQJ

not attested not anchored not stored refs pending

The Structure and Star Formation History of Early-Type Galaxies in the UDF/GRAPES Survey

A. Koekemoer, A. Pasquali, C. Gronwall, C. Xu, E. Daddi, I. Ferreras, J.E. Rhoads, L. Moustakas, N. Panagia, N. Pirzkal, R.A. Windhorst, S. Malhotra

arxiv:astro-ph/0504264 v2 · 2005-04-12 · 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{QA5QKUUKUK6FFW6RWM2KS43AQJ}

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.

Cited by

1 paper in Pith

Detection of a dark matter subhalo in the strongly lensed system PJ011646

Receipt and verification

First computed	2026-07-04T15:31:18.540684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803b05528aa2bc52dbd1b334a97360824507068b8283d4b46334ec4cffc43443

Aliases

arxiv: astro-ph/0504264 · arxiv_version: astro-ph/0504264v2 · doi: 10.48550/arxiv.astro-ph/0504264 · pith_short_12: QA5QKUUKUK6F · pith_short_16: QA5QKUUKUK6FFW6R · pith_short_8: QA5QKUUK

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/QA5QKUUKUK6FFW6RWM2KS43AQJ \
  | 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: 803b05528aa2bc52dbd1b334a97360824507068b8283d4b46334ec4cffc43443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf5511c538a83a862a1ff5faf987d72f55ce92505423482cae8856deda2f425",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-12T08:52:02Z",
    "title_canon_sha256": "3c84f77cb0407c9104424b0750d4c3549f8f172eb9253e8770a1facb062234e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504264",
    "kind": "arxiv",
    "version": 2
  }
}