Pith Number

pith:EUE3XHS3

pith:2011:EUE3XHS3Y4TW3JUVWOPCKYX33A

not attested not anchored not stored refs pending

The EFIGI catalogue of 4458 nearby galaxies with detailed morphology

Albert Bijaoui, Anthony Baillard, Dmitry Makarov, Emmanuel Bertin, Henry J. McCracken, Jean-Francois LeBorgne, Lidia Makarova, Lidia Tasca, Pascal Fouqu\'e, Philippe Prugniel, Roser Pell\'o, St\'ephane Arnouts, Val\'erie de Lapparent, Yannick Mellier

arxiv:1103.5734 v3 · 2011-03-29 · 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{EUE3XHS3Y4TW3JUVWOPCKYX33A}

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	2026-05-18T02:02:43.258406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2509bb9e5bc7276da695b39e2562fbd80706e433bf2cc2b059a023fb7102a07d

Aliases

arxiv: 1103.5734 · arxiv_version: 1103.5734v3 · doi: 10.48550/arxiv.1103.5734 · pith_short_12: EUE3XHS3Y4TW · pith_short_16: EUE3XHS3Y4TW3JUV · pith_short_8: EUE3XHS3

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/EUE3XHS3Y4TW3JUVWOPCKYX33A \
  | 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: 2509bb9e5bc7276da695b39e2562fbd80706e433bf2cc2b059a023fb7102a07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea8bfd1fdf8216856302b740fac09bd8dcfb03e287214e44eeee89d8a5c2275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-29T19:33:34Z",
    "title_canon_sha256": "c62dc5c07dbf08805d8324b41723fe9e9941432bd9ef226d66e1fa53bcffd8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5734",
    "kind": "arxiv",
    "version": 3
  }
}