Pith Number

pith:57WMNJDY

pith:2009:57WMNJDYBLP5EB6Z6U6VR6X5NA

not attested not anchored not stored refs pending

Revealing the magnetic field in a distant galaxy cluster: discovery of the complex radio emission from MACS J0717.5 +3745

A. Bonafede, F. Govoni, G.B. Taylor, G. Gentile, G.Giovannini, H. Ebeling, L. Feretti, M. Murgia, S. Allen, Y. Pihlstrom

arxiv:0905.3552 v2 · 2009-05-21 · 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{57WMNJDYBLP5EB6Z6U6VR6X5NA}

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	2026-05-18T02:13:38.145066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efecc6a4780adfd207d9f53d58fafd680a9275bcb0124d80522343b888b687f0

Aliases

arxiv: 0905.3552 · arxiv_version: 0905.3552v2 · doi: 10.48550/arxiv.0905.3552 · pith_short_12: 57WMNJDYBLP5 · pith_short_16: 57WMNJDYBLP5EB6Z · pith_short_8: 57WMNJDY

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/57WMNJDYBLP5EB6Z6U6VR6X5NA \
  | 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: efecc6a4780adfd207d9f53d58fafd680a9275bcb0124d80522343b888b687f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14be07616cd92c8869b0d6e0ca2d24e98bb95dd16bfce5dc551d5b837c0c3313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-21T20:00:11Z",
    "title_canon_sha256": "1a65346e0fe69de66955b853f16d7f84111bd7251b42cc36f1b345f839c936ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3552",
    "kind": "arxiv",
    "version": 2
  }
}