Pith Number

pith:FCCD7HB3

pith:2003:FCCD7HB3LE6N46RW73RMHHKMXY

not attested not anchored not stored refs pending

Gravitational lensing by globular clusters and Arp objects

A. Sergeev, A. Yushchenko, ChulHee Kim, P. Niarchos, V. Manimanis

arxiv:astro-ph/0308338 v1 · 2003-08-20 · 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{FCCD7HB3LE6N46RW73RMHHKMXY}

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	2026-07-04T14:12:50.904559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28843f9c3b593cde7a36fee2c39d4cbe0968d4395f24c3a41faff50a21233567

Aliases

arxiv: astro-ph/0308338 · arxiv_version: astro-ph/0308338v1 · doi: 10.48550/arxiv.astro-ph/0308338 · pith_short_12: FCCD7HB3LE6N · pith_short_16: FCCD7HB3LE6N46RW · pith_short_8: FCCD7HB3

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/FCCD7HB3LE6N46RW73RMHHKMXY \
  | 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: 28843f9c3b593cde7a36fee2c39d4cbe0968d4395f24c3a41faff50a21233567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9065c28a8f2288ff0c5b89ff3daf064a5cf86440a403a60479e40d1c43ed313d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-20T03:58:49Z",
    "title_canon_sha256": "b6fa47ce001828a0059875e80f74d2944413c553bc555f4c39f9752341a79b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308338",
    "kind": "arxiv",
    "version": 1
  }
}