Pith Number

pith:DJG5DWEX

pith:2012:DJG5DWEX2YHDS6VVSRJGCGWVLY

not attested not anchored not stored refs pending

Nature of singularity formed by the gravitational collapse in Husain space-time with electromagnetic field and scalar field

Prabir Rudra, Ritabrata Biswas, Ujjal Debnath

arxiv:1203.1454 v2 · 2012-03-07 · 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{DJG5DWEX2YHDS6VVSRJGCGWVLY}

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	2026-05-18T04:00:28.010224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a4dd1d897d60e397ab59452611ad55e28e981cace0c60decd3075de1f3b6312

Aliases

arxiv: 1203.1454 · arxiv_version: 1203.1454v2 · doi: 10.48550/arxiv.1203.1454 · pith_short_12: DJG5DWEX2YHD · pith_short_16: DJG5DWEX2YHDS6VV · pith_short_8: DJG5DWEX

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/DJG5DWEX2YHDS6VVSRJGCGWVLY \
  | 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: 1a4dd1d897d60e397ab59452611ad55e28e981cace0c60decd3075de1f3b6312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e5c6ce3b7d600b5bad6929248d94dca6562b324f3a6f3d884a431693d2e80b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-07T12:41:28Z",
    "title_canon_sha256": "2c58d2f4ee0c2178a93d49c927704082a2e3647c6770dfc9c309cc23b0eee705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1454",
    "kind": "arxiv",
    "version": 2
  }
}