Pith Number

pith:GLK7ZOGW

pith:2008:GLK7ZOGW63DVYMRZK6QO52ZUQM

not attested not anchored not stored refs pending

Maxwell-Kosteleck\'y Electromagnetism and Cosmic Magnetization

L. Campanelli, P. Cea

arxiv:0812.3745 v2 · 2008-12-19 · 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{GLK7ZOGW63DVYMRZK6QO52ZUQM}

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	2026-05-18T04:25:51.482487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32d5fcb8d6f6c75c323957a0eeeb34833af81fdf817f2b15e3905765424f9d90

Aliases

arxiv: 0812.3745 · arxiv_version: 0812.3745v2 · doi: 10.48550/arxiv.0812.3745 · pith_short_12: GLK7ZOGW63DV · pith_short_16: GLK7ZOGW63DVYMRZ · pith_short_8: GLK7ZOGW

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/GLK7ZOGW63DVYMRZK6QO52ZUQM \
  | 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: 32d5fcb8d6f6c75c323957a0eeeb34833af81fdf817f2b15e3905765424f9d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1832cd5bd621d54c720beaf799be4f46f0500c19c662c9e5dc7f267f170c3cc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-19T10:27:06Z",
    "title_canon_sha256": "6e26e0e786c598c8066b43b5b9245ae34ff5389297db5390b50dd8019932f542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3745",
    "kind": "arxiv",
    "version": 2
  }
}