Pith Number

pith:KNASIGO3

pith:2018:KNASIGO324OSUPE2ZAXPKJUYNB

not attested not anchored not stored refs pending

Shadows of spherically symmetric black holes and naked singularities

Pankaj S. Joshi (TIFR Mumbai), Prashant Kocherlakota (TIFR Mumbai), Rajibul Shaikh (TIFR Mumbai), Ramesh Narayan (Harvard)

arxiv:1802.08060 v2 · 2018-02-22 · astro-ph.HE · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNASIGO324OSUPE2ZAXPKJUYNB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Analytic thin disks and rings in a class of nonasymptotically flat static spacetimes

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

Energy conditions in static, spherically symmetric spacetimes and effective geometries

Receipt and verification

First computed	2026-05-18T00:02:01.584349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53412419dbd71d2a3c9ac82ef5269868754e40ac32cf7ca71687fb9b9c96eaca

Aliases

arxiv: 1802.08060 · arxiv_version: 1802.08060v2 · doi: 10.48550/arxiv.1802.08060 · pith_short_12: KNASIGO324OS · pith_short_16: KNASIGO324OSUPE2 · pith_short_8: KNASIGO3

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/KNASIGO324OSUPE2ZAXPKJUYNB \
  | 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: 53412419dbd71d2a3c9ac82ef5269868754e40ac32cf7ca71687fb9b9c96eaca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ebd59b412da3f9ec84310990ab58d1e3a84e7bcc06cc5876ebc802a477468a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-22T14:33:43Z",
    "title_canon_sha256": "a4e51a9195fefd6bf1801195d07f7cfe5fcd819512074831d1fb3f119d8cf1fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08060",
    "kind": "arxiv",
    "version": 2
  }
}