Pith Number

pith:KUSPDWMR

pith:2009:KUSPDWMRSYHJKRWDXMWM5UHV3P

not attested not anchored not stored refs pending

Sersic galaxy with Sersic halo models of early-type galaxies: a tool for N-body simulations

F. La Barbera, G. Coppola, M. Capaccioli

arxiv:0903.4758 v1 · 2009-03-27 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUSPDWMRSYHJKRWDXMWM5UHV3P}

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	2026-05-18T02:14:19.135715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5524f1d991960e9546c3bb2cced0f5dbc6a00950dfa748bfb7da97d5ce76ee6d

Aliases

arxiv: 0903.4758 · arxiv_version: 0903.4758v1 · doi: 10.48550/arxiv.0903.4758 · pith_short_12: KUSPDWMRSYHJ · pith_short_16: KUSPDWMRSYHJKRWD · pith_short_8: KUSPDWMR

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/KUSPDWMRSYHJKRWDXMWM5UHV3P \
  | 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: 5524f1d991960e9546c3bb2cced0f5dbc6a00950dfa748bfb7da97d5ce76ee6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214bb3a6e04461f2fd2eab6030082dda74add6bfb3732be6ecb25b4254caddab",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-27T10:01:37Z",
    "title_canon_sha256": "4d8e9f60e98a71f9b60e51acad2a4071abc92c25623f8f9f4750775994886451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4758",
    "kind": "arxiv",
    "version": 1
  }
}