Pith Number

pith:WKBEUEKE

pith:2001:WKBEUEKEL2C3FUYHJS27DRP4HY

not attested not anchored not stored refs pending

The giant radio halo in Abell 2163

(2) IAS Roma Italy, 3), (3) Dip. Fisica Bologna Italy, 4) ((1) IRA Bologna Italy, (4) Dip. Astron. Bologna Italy), F. Govoni (1, G. Giovannini (1, L. Feretti (1), R. Fusco-Femiano (2)

arxiv:astro-ph/0104451 v2 · 2001-04-27 · 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{WKBEUEKEL2C3FUYHJS27DRP4HY}

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.

Cited by

2 papers in Pith

Multi-Wavelength Signatures of a Giant Cometary Radio Halo in MACSJ0417-1154

Near-IR Weak-lensing (NIRWL) Measurements in the CANDELS Fields. II. Mass Mapping and Overdensity Characterization

Receipt and verification

First computed	2026-07-04T16:23:18.290958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2824a11445e85b2d3074cb5f1c5fc3e14a85294dedeb40a4bc92c22db2aa5f5

Aliases

arxiv: astro-ph/0104451 · arxiv_version: astro-ph/0104451v2 · doi: 10.48550/arxiv.astro-ph/0104451 · pith_short_12: WKBEUEKEL2C3 · pith_short_16: WKBEUEKEL2C3FUYH · pith_short_8: WKBEUEKE

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/WKBEUEKEL2C3FUYHJS27DRP4HY \
  | 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: b2824a11445e85b2d3074cb5f1c5fc3e14a85294dedeb40a4bc92c22db2aa5f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21636b556bbf7cb1a760ede72de0059cf7897430f3dfb8c2820ef3560e9883a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-27T16:08:14Z",
    "title_canon_sha256": "c931a9f78854e0e4b06f55235487b1db7a5f5b7898d7f350d4e2e9fcdc0dacc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104451",
    "kind": "arxiv",
    "version": 2
  }
}