Pith Number

pith:7MYIUZKW

pith:2021:7MYIUZKWYFTBSXBMPLQUBQ2G7R

not attested not anchored not stored refs pending

Polarized Image of Equatorial Emission in the Kerr Geometry

Daniel C.M. Palumbo, Elizabeth Himwich, Michael D. Johnson, Zachary Gelles

arxiv:2105.09440 v2 · 2021-05-20 · gr-qc · astro-ph.HE · 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{7MYIUZKWYFTBSXBMPLQUBQ2G7R}

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

5 papers in Pith

Distinct Near-Horizon Trend of Synchrotron Polarization in Kerr Spacetime

Polarization Signatures of Inspiraling Hotspots around Kerr Black Holes

Black Hole Ringdown Seen in Photon Polarization Swings

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

Unveiling Inner Shadows and Polarization Signatures of Rotating Einstein-Gauss-Bonnet Black Holes

Receipt and verification

First computed	2026-07-05T03:09:30.250901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb308a6556c166195c2c7ae140c346fc4e129187207058674731b31c6447bb42

Aliases

arxiv: 2105.09440 · arxiv_version: 2105.09440v2 · doi: 10.48550/arxiv.2105.09440 · pith_short_12: 7MYIUZKWYFTB · pith_short_16: 7MYIUZKWYFTBSXBM · pith_short_8: 7MYIUZKW

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/7MYIUZKWYFTBSXBMPLQUBQ2G7R \
  | 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: fb308a6556c166195c2c7ae140c346fc4e129187207058674731b31c6447bb42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba77ba04c53fc357ffa9b8ba2ceeeb8670d50a5eeb12dd11823952783b4a679",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-20T00:42:40Z",
    "title_canon_sha256": "1549b93254c6ebf7f39043f51ca39e515970cb6b9e8d35c96a9c6af052ff104e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09440",
    "kind": "arxiv",
    "version": 2
  }
}