Pith Number

pith:23S47CHE

pith:2014:23S47CHED76HF76XMVUEKEMC2R

not attested not anchored not stored refs pending

Discovery of large-scale diffuse radio emission and of a new galaxy cluster in the surroundings of MACSJ0520.7-1328

C. Ferrari, D. Dallacasa, G. Macario, G. W. Pratt, H. Bourdin, H. T. Intema, I. Bartalucci, M. Johnston-Hollitt, P. Mazzotta, R. Cassano, R. Kale, S. Brown, S. Giacintucci, T. Venturi

arxiv:1402.4436 v1 · 2014-02-18 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23S47CHED76HF76XMVUEKEMC2R}

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	2026-05-18T02:52:25.752297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6e5cf88e41ffc72ffd76568451182d477fcabea521ba730f744912741214e3f

Aliases

arxiv: 1402.4436 · arxiv_version: 1402.4436v1 · doi: 10.48550/arxiv.1402.4436 · pith_short_12: 23S47CHED76H · pith_short_16: 23S47CHED76HF76X · pith_short_8: 23S47CHE

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/23S47CHED76HF76XMVUEKEMC2R \
  | 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: d6e5cf88e41ffc72ffd76568451182d477fcabea521ba730f744912741214e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a702abd2e7ac3eeaa6a52f5da4dc04a0a4fe6daa0d0c4d72d2233016f78c406c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-18T18:45:48Z",
    "title_canon_sha256": "4b8dcae71b05dae4ba50ad1d8225be0b0813925de5794e235991ffe79cfa838b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4436",
    "kind": "arxiv",
    "version": 1
  }
}