Pith Number

pith:VNX34D3J

pith:2013:VNX34D3JYQMRNQBE2B7J22CHHD

not attested not anchored not stored refs pending

Hyperbolicity of Force-Free Electrodynamics

Andrew I. MacFadyen, Harald P. Pfeiffer

arxiv:1307.7782 v1 · 2013-07-30 · gr-qc · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNX34D3JYQMRNQBE2B7J22CHHD}

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

1 paper in Pith

A Semilinear Wave Sector in Force-Free Electrodynamics

Receipt and verification

First computed	2026-05-18T03:17:13.632262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab6fbe0f69c41916c024d07e9d684738d8d47f4b1aba941bc4bbe52f977988ff

Aliases

arxiv: 1307.7782 · arxiv_version: 1307.7782v1 · doi: 10.48550/arxiv.1307.7782 · pith_short_12: VNX34D3JYQMR · pith_short_16: VNX34D3JYQMRNQBE · pith_short_8: VNX34D3J

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/VNX34D3JYQMRNQBE2B7J22CHHD \
  | 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: ab6fbe0f69c41916c024d07e9d684738d8d47f4b1aba941bc4bbe52f977988ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78288d204f682855f2f51a9745e964ab290b8aad1f6dff7e68a51a26f0a88535",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-30T01:57:58Z",
    "title_canon_sha256": "e7b6808ffe474cbe2d119f640bb23445288d4c11b6ff8a7e98d4f865266770cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7782",
    "kind": "arxiv",
    "version": 1
  }
}