Pith Number

pith:F2MOHI7J

pith:2024:F2MOHI7JGEYC3MCNOQJX6F6LKE

not attested not anchored not stored refs pending

Classical Kerr-Schild double copy in bigravity for maximally symmetric spacetimes

C. Ramos, H. Garc\'ia-Compe\'an

arxiv:2403.19608 v3 · 2024-03-28 · 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{F2MOHI7JGEYC3MCNOQJX6F6LKE}

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

1 paper in Pith

The Penrose Transform and the Kerr-Schild double copy

Receipt and verification

First computed	2026-07-05T08:35:19.778842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e98e3a3e931302db04d74137f17cb510185345bff56e36a863387e4a078ea81

Aliases

arxiv: 2403.19608 · arxiv_version: 2403.19608v3 · doi: 10.48550/arxiv.2403.19608 · pith_short_12: F2MOHI7JGEYC · pith_short_16: F2MOHI7JGEYC3MCN · pith_short_8: F2MOHI7J

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/F2MOHI7JGEYC3MCNOQJX6F6LKE \
  | 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: 2e98e3a3e931302db04d74137f17cb510185345bff56e36a863387e4a078ea81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db47d3f13adb1a5d24729f2801c24087917155f23c73af73ba2e42f2f2d3af9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-03-28T17:29:12Z",
    "title_canon_sha256": "b40a688deef008835bf74275dd973242fb95a64b957254ce46ec2515ecb9f3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.19608",
    "kind": "arxiv",
    "version": 3
  }
}