Pith Number

pith:VJTR4VCC

pith:2014:VJTR4VCC5SB3AVJR2YOMTW5I7K

not attested not anchored not stored refs pending

Spacetime approach to force-free magnetospheres

Samuel E. Gralla, Ted Jacobson

arxiv:1401.6159 v4 · 2014-01-23 · astro-ph.HE · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJTR4VCC5SB3AVJR2YOMTW5I7K}

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

3 papers in Pith

Distinct Near-Horizon Trend of Synchrotron Polarization in Kerr Spacetime

Energy extraction from a rotating black hole via magnetic reconnection: Bumblebee gravity

General Grad-Shafranov Equation

Receipt and verification

First computed	2026-07-05T08:51:36.709582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa671e5442ec83b05531d61cc9dba8fa8337836cc200878964cb92f04deccdb2

Aliases

arxiv: 1401.6159 · arxiv_version: 1401.6159v4 · doi: 10.48550/arxiv.1401.6159 · pith_short_12: VJTR4VCC5SB3 · pith_short_16: VJTR4VCC5SB3AVJR · pith_short_8: VJTR4VCC

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/VJTR4VCC5SB3AVJR2YOMTW5I7K \
  | 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: aa671e5442ec83b05531d61cc9dba8fa8337836cc200878964cb92f04deccdb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b19678851f42079924231bba922a06b0256db17b5578ee69b420d9d2d969a6",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-23T20:46:56Z",
    "title_canon_sha256": "19b48235e1a2db0c63aabbc486fb5b09869897e650108d4dc4b8375af4a26fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6159",
    "kind": "arxiv",
    "version": 4
  }
}