Pith Number

pith:WD243QQR

pith:2018:WD243QQRJRNQBHYQ6UVRO4XNQD

not attested not anchored not stored refs pending

The magnetic field strength of the Faraday screen surrounding the radio galaxy Coma A

B.H.C. Emonts, S. Curiel, S. Knuettel, S. P. O'Sullivan

arxiv:1811.02844 v1 · 2018-11-07 · 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{WD243QQRJRNQBHYQ6UVRO4XNQD}

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	2026-05-18T00:01:20.627699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f5cdc2114c5b009f10f52b1772ed80ca84970e9d82c6d2e97a70b9c2f667ab

Aliases

arxiv: 1811.02844 · arxiv_version: 1811.02844v1 · doi: 10.48550/arxiv.1811.02844 · pith_short_12: WD243QQRJRNQ · pith_short_16: WD243QQRJRNQBHYQ · pith_short_8: WD243QQR

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/WD243QQRJRNQBHYQ6UVRO4XNQD \
  | 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: b0f5cdc2114c5b009f10f52b1772ed80ca84970e9d82c6d2e97a70b9c2f667ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef46dd74751a5f50fd5402b89b3479efae780592133395ce9dd8a5aef9c20d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-07T11:41:40Z",
    "title_canon_sha256": "716fc37b21080e861063a11d83291a97fe858be8f641eeec264bd75feb193729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02844",
    "kind": "arxiv",
    "version": 1
  }
}