Pith Number

pith:2WLV76PB

pith:2009:2WLV76PB3N2TUZUM4JRWOBUMDJ

not attested not anchored not stored refs pending

Galaxy Evolution in Local Group Analogs. I. A GALEX study of nearby groups

A. Marino, D. Bettoni, L. Bianchi, L.M. Buson, R. Rampazzo

arxiv:0912.4266 v1 · 2009-12-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WLV76PB3N2TUZUM4JRWOBUMDJ}

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	2026-05-18T02:10:14.828931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5975ff9e1db753a668ce26367068c1a52c34f2a876202ac83c20ac518da26e8

Aliases

arxiv: 0912.4266 · arxiv_version: 0912.4266v1 · doi: 10.48550/arxiv.0912.4266 · pith_short_12: 2WLV76PB3N2T · pith_short_16: 2WLV76PB3N2TUZUM · pith_short_8: 2WLV76PB

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/2WLV76PB3N2TUZUM4JRWOBUMDJ \
  | 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: d5975ff9e1db753a668ce26367068c1a52c34f2a876202ac83c20ac518da26e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6616a64187cc676d2715d2d4f5ae117f64692ce775f1c9cbfad77359d4af549b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-21T22:49:26Z",
    "title_canon_sha256": "c7719188d0a1647b8a4dc1f0e079fa1aefdb059cbb851603887b30418e869e9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4266",
    "kind": "arxiv",
    "version": 1
  }
}