Pith Number

pith:URH4CXTM

pith:2019:URH4CXTMEXJENCLMKC2LLS3Y6W

not attested not anchored not stored refs pending

Circular orbits in Kerr-Taub-NUT spacetime and their implications for accreting black holes and naked singularities

Chandrachur Chakraborty (KIAA, China), India), Sudip Bhattacharyya (TIFR

arxiv:1901.04233 v2 · 2019-01-14 · 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{URH4CXTMEXJENCLMKC2LLS3Y6W}

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.

Receipt and verification

First computed	2026-05-17T23:45:44.539014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44fc15e6c25d246896c50b4b5cb78f5b4a2eb056b1a25e23da4cc79d15e7be8

Aliases

arxiv: 1901.04233 · arxiv_version: 1901.04233v2 · doi: 10.48550/arxiv.1901.04233 · pith_short_12: URH4CXTMEXJE · pith_short_16: URH4CXTMEXJENCLM · pith_short_8: URH4CXTM

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/URH4CXTMEXJENCLMKC2LLS3Y6W \
  | 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: a44fc15e6c25d246896c50b4b5cb78f5b4a2eb056b1a25e23da4cc79d15e7be8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a99a51d96c8bfec1fcddc3c6759f6d8a6bb7a1c9b31ebbc40c8a199b41ecc9f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-14T10:59:11Z",
    "title_canon_sha256": "488c673e2b0d5461b8136b172bc9809eedf59f0060c7fc1d2718d04a08d68479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04233",
    "kind": "arxiv",
    "version": 2
  }
}