Pith Number

pith:ZGH3ZJH2

pith:2012:ZGH3ZJH2EP3PXS45Z2WYESDRSC

not attested not anchored not stored refs pending

Ultra deep sub-kpc view of nearby massive compact galaxies

Anna Ferre-Mateu, Eleazar R. Carrasco, Ignacio Trujillo

arxiv:1202.4328 v2 · 2012-02-20 · 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{ZGH3ZJH2EP3PXS45Z2WYESDRSC}

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	2026-05-18T01:58:23.540695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c98fbca4fa23f6fbcb9dcead824871908eb7845095698026f26591286d69baa5

Aliases

arxiv: 1202.4328 · arxiv_version: 1202.4328v2 · doi: 10.48550/arxiv.1202.4328 · pith_short_12: ZGH3ZJH2EP3P · pith_short_16: ZGH3ZJH2EP3PXS45 · pith_short_8: ZGH3ZJH2

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/ZGH3ZJH2EP3PXS45Z2WYESDRSC \
  | 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: c98fbca4fa23f6fbcb9dcead824871908eb7845095698026f26591286d69baa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757a3e31a76b8f7bfebe5ab4c3fdf70acc1885a44435da7bbe4b9f29a98b1e73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-20T14:01:29Z",
    "title_canon_sha256": "9f96ba605fde2f0774bcad1641ad538de568e9bc2e8e778b7ae15adcc557f8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4328",
    "kind": "arxiv",
    "version": 2
  }
}