Pith Number

pith:AM3MBSH2

pith:2020:AM3MBSH2RSKJXGA2JL62CWC3N7

not attested not anchored not stored refs pending

The classical double copy of non-singular black holes

Cynthia Keeler, Damien A. Easson, Tucker Manton

arxiv:2007.16186 v2 · 2020-07-31 · 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{AM3MBSH2RSKJXGA2JL62CWC3N7}

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

4 papers in Pith

Non-topological solitons in biadjoint scalar field theory

Hawking Radiation meets the Double Copy

Black Hole Interiors as a Laboratory for Time-Dependent Classical Double Copy

Untwisting the double copy: the zeroth copy as an optical seed

Receipt and verification

First computed	2026-07-05T01:44:41.867154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0336c0c8fa8c949b981a4afda1585b6fde6bf14159ee74602c7529d6ee6bc30b

Aliases

arxiv: 2007.16186 · arxiv_version: 2007.16186v2 · doi: 10.48550/arxiv.2007.16186 · pith_short_12: AM3MBSH2RSKJ · pith_short_16: AM3MBSH2RSKJXGA2 · pith_short_8: AM3MBSH2

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/AM3MBSH2RSKJXGA2JL62CWC3N7 \
  | 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: 0336c0c8fa8c949b981a4afda1585b6fde6bf14159ee74602c7529d6ee6bc30b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7ef1eca622c461b7d8259b9388973e68f3706ab0636663347ab2879fe0e924",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-07-31T17:28:53Z",
    "title_canon_sha256": "6cd7e60ae75d598a090e8f887a86fc5ecfe1451d45b59918d618a2203d101194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.16186",
    "kind": "arxiv",
    "version": 2
  }
}