Pith Number

pith:NI4DPNR6

pith:2013:NI4DPNR6OKC2AJSQXYG3C6YH7K

not attested not anchored not stored refs pending

The extent of magnetic fields around galaxies out to z ~ 1

2), (2) Swinburne University), F. Miniati (1), M.L. Bernet (1, S.J. Lilly (1) ((1) ETH Zurich

arxiv:1307.2250 v1 · 2013-07-08 · 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{NI4DPNR6OKC2AJSQXYG3C6YH7K}

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	2026-05-18T01:48:58.522112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3837b63e7285a02650be0db17b07faaa8ed1e743ed6c0db3535d9d1a43f52e

Aliases

arxiv: 1307.2250 · arxiv_version: 1307.2250v1 · doi: 10.48550/arxiv.1307.2250 · pith_short_12: NI4DPNR6OKC2 · pith_short_16: NI4DPNR6OKC2AJSQ · pith_short_8: NI4DPNR6

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/NI4DPNR6OKC2AJSQXYG3C6YH7K \
  | 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: 6a3837b63e7285a02650be0db17b07faaa8ed1e743ed6c0db3535d9d1a43f52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60001947733760abee5d1e45f067e673014e25f457289b3d761f3eea51a1a94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-08T20:00:31Z",
    "title_canon_sha256": "d29cd45081cb45a506823ba18ed34f7893142c8944c2442f3f8600734f45431f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2250",
    "kind": "arxiv",
    "version": 1
  }
}