Pith Number

pith:UODT5JEH

pith:2011:UODT5JEHALNJWXKL3EQGD44QGC

not attested not anchored not stored refs pending

An elusive radio halo in the merging cluster Abell 781?

1), (2) Univ. of Maryland, (3) Univ. of Bologna, (4) IISER, Bologna, D. Dallacasa (3), G. Brunetti (1), G. Macario (1), Pune), R. Athreya (4) ((1) INAF-IRA, R. Cassano (1), S. Giacintucci (2, T. Venturi (1)

arxiv:1104.0501 v1 · 2011-04-04 · 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{UODT5JEHALNJWXKL3EQGD44QGC}

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	2026-05-18T02:02:38.698210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3873ea48702da9b5d4bd92061f390309e74ce3e9463665ac5f597785fe4673d

Aliases

arxiv: 1104.0501 · arxiv_version: 1104.0501v1 · doi: 10.48550/arxiv.1104.0501 · pith_short_12: UODT5JEHALNJ · pith_short_16: UODT5JEHALNJWXKL · pith_short_8: UODT5JEH

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/UODT5JEHALNJWXKL3EQGD44QGC \
  | 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: a3873ea48702da9b5d4bd92061f390309e74ce3e9463665ac5f597785fe4673d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d18a9b26fae4700c68293ae4c072a0d3792c148ff97ad53206d23706d4b7a7f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-04T08:54:32Z",
    "title_canon_sha256": "af4ba10b7348573208bffb240f631837e77d01acdfe26afda39beb5000d69943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0501",
    "kind": "arxiv",
    "version": 1
  }
}