Pith Number

pith:FV42NRAM

pith:2011:FV42NRAMZC6NEEUF3D4IX5MUHP

not attested not anchored not stored refs pending

Cosmic magnetic fields and dark energy in extended electromagnetism

Antonio L. Maroto, Jose Beltr\'an Jim\'enez

arxiv:1101.1763 v1 · 2011-01-10 · 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{FV42NRAMZC6NEEUF3D4IX5MUHP}

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	2026-05-18T02:03:43.640596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d79a6c40cc8bcd21285d8f88bf5943bc9923ae11a8fae23dc1504710008584b

Aliases

arxiv: 1101.1763 · arxiv_version: 1101.1763v1 · doi: 10.48550/arxiv.1101.1763 · pith_short_12: FV42NRAMZC6N · pith_short_16: FV42NRAMZC6NEEUF · pith_short_8: FV42NRAM

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/FV42NRAMZC6NEEUF3D4IX5MUHP \
  | 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: 2d79a6c40cc8bcd21285d8f88bf5943bc9923ae11a8fae23dc1504710008584b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec433cb578443d5157aea665de237c81042a6b4469b0d17801084c8b91079cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-10T10:53:33Z",
    "title_canon_sha256": "6bb6ec49ea36b71783f675f8c4d23787377e3864f7e45a8a35d872086cc605a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1763",
    "kind": "arxiv",
    "version": 1
  }
}