Pith Number

pith:4C5EENT2

pith:2019:4C5EENT2LVLBZDSQPQGKSWPAKT

not attested not anchored not stored refs pending

The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

Benjamin R. Ryan, Ben Prather, Bernard J. Kelly, Bhupendra Mishra, Charles F. Gammie, Chi-kwan Chan, Christopher J. White, H\'ector Olivares, James M. Stone, John G. Baker, Jonathan C. McKinney, Jordy Davelaar, Koushik Chatterjee, Luca Del Zanna, Luciano Rezzolla, Matteo Bugli, Matthew Liska, Niccol\`o Tomei, Oliver Porth, P. Chris Fragile, Peter Anninos, Ramesh Narayan, Scott C. Noble, Sera Markoff, The Event Horizon Telescope Collaboration, Yosuke Mizuno, Zachariah B. Etienne, Ziri Younsi

arxiv:1904.04923 v2 · 2019-04-09 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4C5EENT2LVLBZDSQPQGKSWPAKT}

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

4 papers in Pith

Little Red Dots as Hidden Neutrino Sources

Polarization Signatures from GRMHD Simulations of Black Hole Accretion

Optical Appearance of the Kerr-Bertotti-Robinson Black Hole with a Magnetically Driven Synchrotron Emissivity Model

GRMHD accretion beyond the black hole paradigm: Light from within the shadow

Receipt and verification

First computed	2026-07-04T23:51:41.463156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ba42367a5d561c8e507c0ca959e054f48d3cc72cf1a1a29acd6d682641a009

Aliases

arxiv: 1904.04923 · arxiv_version: 1904.04923v2 · doi: 10.48550/arxiv.1904.04923 · pith_short_12: 4C5EENT2LVLB · pith_short_16: 4C5EENT2LVLBZDSQ · pith_short_8: 4C5EENT2

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/4C5EENT2LVLBZDSQPQGKSWPAKT \
  | 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: e0ba42367a5d561c8e507c0ca959e054f48d3cc72cf1a1a29acd6d682641a009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2ba9029dec5b12cd440d5ea154e296c673c9f15ae757b020ae17f87ced284f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-09T21:45:17Z",
    "title_canon_sha256": "04cc831f765f00da4b3cea64811a703c7b9e507ca70aceca6f1677b1f8ecb86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04923",
    "kind": "arxiv",
    "version": 2
  }
}