Pith Number

pith:YDYYXVI5

pith:2024:YDYYXVI5ATCHJGCBRVURPC2FAL

not attested not anchored not stored refs pending

New quasi-Einstein metrics on a two-sphere

Alex Colling, Hari Kunduri, James Lucietti, Maciej Dunajski

arxiv:2403.04117 v3 · 2024-03-07 · math.DG · 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{YDYYXVI5ATCHJGCBRVURPC2FAL}

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

Quasi-Einstein structures and Hitchin's equations

Receipt and verification

First computed	2026-05-20T01:04:48.958329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f18bd51d04c47498418d69178b4502ea253cf5d66e32513e216c9b8c8f83ff

Aliases

arxiv: 2403.04117 · arxiv_version: 2403.04117v3 · doi: 10.48550/arxiv.2403.04117 · pith_short_12: YDYYXVI5ATCH · pith_short_16: YDYYXVI5ATCHJGCB · pith_short_8: YDYYXVI5

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/YDYYXVI5ATCHJGCBRVURPC2FAL \
  | 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: c0f18bd51d04c47498418d69178b4502ea253cf5d66e32513e216c9b8c8f83ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f80964b8579063d0a618c1eadf3c28b7f31c652f3001d17d309e7db19939ea67",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2024-03-07T00:12:16Z",
    "title_canon_sha256": "e95b307783c2f784ebd3b55bd6e793e2f9459c0f5862263715761654e6d65318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.04117",
    "kind": "arxiv",
    "version": 3
  }
}