Pith Number

pith:4W2DIZSQ

pith:2012:4W2DIZSQ2EN4X5PIARUAVSUJLN

not attested not anchored not stored refs pending

New photometric investigation of the double ringed galaxy ESO474-G26. Unveiling the formation scenario

(2) INAF-Astronomical Observatory of Padova, 3), (3) INAF-Astronomical Observatory of Naples, (4) St.Petersburg State University, 5) ((1) University of Padova, (5) Isaac Newton Institute of Chile), D. Bettoni (2), E. Iodice (3), G. Galletta (1), M. Spavone (1, P. Mazzei (2), V. Reshetnikov (4

arxiv:1207.6559 v1 · 2012-07-27 · 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{4W2DIZSQ2EN4X5PIARUAVSUJLN}

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	2026-05-18T01:56:06.638129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b4346650d11bcbf5e804680aca895b4aa620e02cf2d481197af6ca347057e5

Aliases

arxiv: 1207.6559 · arxiv_version: 1207.6559v1 · doi: 10.48550/arxiv.1207.6559 · pith_short_12: 4W2DIZSQ2EN4 · pith_short_16: 4W2DIZSQ2EN4X5PI · pith_short_8: 4W2DIZSQ

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/4W2DIZSQ2EN4X5PIARUAVSUJLN \
  | 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: e5b4346650d11bcbf5e804680aca895b4aa620e02cf2d481197af6ca347057e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ec8b290462e1ce8092851877aad9a7377f4c4e2fadd54b8ffe164dfa8212d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-27T14:48:24Z",
    "title_canon_sha256": "1bd93c70d08efdf7e07f7c7516d3e30361f38168ee34a3f4c498ffe7a17e3f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6559",
    "kind": "arxiv",
    "version": 1
  }
}