Pith Number

pith:4A2XKVOZ

pith:2008:4A2XKVOZXAS53WD777RO5RUFYV

not attested not anchored not stored refs pending

Kinematic Properties and Stellar Populations of Faint Early-Type Galaxies: II. Line-Strength Measurements of Central Coma Galaxies

Ana Matkovic, Javier Gorgas, Nicolas Cardiel, Nicolas Gruel, Patricia Sanchez-Blazquez, Rafael Guzman

arxiv:0810.3237 v2 · 2008-10-17 · 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{4A2XKVOZXAS53WD777RO5RUFYV}

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	2026-05-18T04:29:25.887520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0357555d9b825ddd87fffe2eec685c5570ad510c0fdc6111e92ead0146584fc

Aliases

arxiv: 0810.3237 · arxiv_version: 0810.3237v2 · doi: 10.48550/arxiv.0810.3237 · pith_short_12: 4A2XKVOZXAS5 · pith_short_16: 4A2XKVOZXAS53WD7 · pith_short_8: 4A2XKVOZ

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/4A2XKVOZXAS53WD777RO5RUFYV \
  | 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: e0357555d9b825ddd87fffe2eec685c5570ad510c0fdc6111e92ead0146584fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9335234cdceec6c6d6d365c9975b50432ec91113f8f52c6e39e2a85ac5e47848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-17T20:45:05Z",
    "title_canon_sha256": "db932d835b9ec861ca20e9bc6698dafaab6859886d7a81444c8083030a1e7432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3237",
    "kind": "arxiv",
    "version": 2
  }
}