Pith Number

pith:B3R76KFW

pith:2021:B3R76KFWCRDDSY67BSW3RNN4X4

not attested not anchored not stored refs pending

Sources in the Weyl double copy

Andrew Svesko, Damien A. Easson, Tucker Manton

arxiv:2110.02293 v2 · 2021-10-05 · 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{B3R76KFWCRDDSY67BSW3RNN4X4}

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

6 papers in Pith

The Smarr Formula is Gauss's Law: A Kerr-Schild Single-Copy Perspective

Weyl double copy in Lifshitz spacetimes

The Penrose Transform and the Kerr-Schild double copy

Minisuperspace Double Copy in Lifshitz Spacetimes

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

Receipt and verification

First computed	2026-07-05T03:45:48.261101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee3ff28b614463963df0cadb8b5bcbf25fa61a1991312be868fd7f7f332d261

Aliases

arxiv: 2110.02293 · arxiv_version: 2110.02293v2 · doi: 10.48550/arxiv.2110.02293 · pith_short_12: B3R76KFWCRDD · pith_short_16: B3R76KFWCRDDSY67 · pith_short_8: B3R76KFW

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/B3R76KFWCRDDSY67BSW3RNN4X4 \
  | 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: 0ee3ff28b614463963df0cadb8b5bcbf25fa61a1991312be868fd7f7f332d261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "737d60d6307e4e7b5a7fdcef9c81652251cf81e969b1a3f7ee4c7c957021047c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-05T18:57:49Z",
    "title_canon_sha256": "df624d1a6a2f34c50e808e45f12751979e7f5eb81e1a66d032beef3dec78496b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02293",
    "kind": "arxiv",
    "version": 2
  }
}