Pith Number

pith:UND63DAD

pith:2003:UND63DADRRPWFVJ5PJXYF4QEG4

not attested not anchored not stored refs pending

The radio halo in the merging cluster A3562

D. Dallacasa, G. Brunetti, R. Morganti, R.W. Hunstead, S. Bardelli, S. Giacintucci, T. Venturi

arxiv:astro-ph/0302080 v1 · 2003-02-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UND63DADRRPWFVJ5PJXYF4QEG4}

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	2026-05-18T04:21:41.906215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a347ed8c038c5f62d53d7a6f82f2043736785a91cf2667a68628a853f92efd9c

Aliases

arxiv: astro-ph/0302080 · arxiv_version: astro-ph/0302080v1 · doi: 10.48550/arxiv.astro-ph/0302080 · pith_short_12: UND63DADRRPW · pith_short_16: UND63DADRRPWFVJ5 · pith_short_8: UND63DAD

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/UND63DADRRPWFVJ5PJXYF4QEG4 \
  | 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: a347ed8c038c5f62d53d7a6f82f2043736785a91cf2667a68628a853f92efd9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4b7ec8d11b01250a61959c667991a3b8c28df6376e6e9e204658b560fbe219",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-05T14:35:38Z",
    "title_canon_sha256": "0c0aeb5f446c56449516931a3cfb79e95dc73ca4253b56447fa5c56285e2fa43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302080",
    "kind": "arxiv",
    "version": 1
  }
}