Pith Number

pith:KPQEWB2T

pith:2026:KPQEWB2TLK7K5UAX7KTOGE2MH2

not attested not anchored not stored refs pending

The toric CR Yamabe problem

Carlo Scarpa, Christina W. T{\o}nnesen-Friedman, Eveline Legendre

arxiv:2607.27441 v1 · 2026-07-29 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPQEWB2TLK7K5UAX7KTOGE2MH2}

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	2026-07-31T00:12:10.926487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

53e04b07535abeaed017faa6e3134c3eacf6b70fcbeb1d68660bc4f5447abd26

Aliases

arxiv: 2607.27441 · arxiv_version: 2607.27441v1 · doi: 10.48550/arxiv.2607.27441 · pith_short_12: KPQEWB2TLK7K · pith_short_16: KPQEWB2TLK7K5UAX · pith_short_8: KPQEWB2T

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/KPQEWB2TLK7K5UAX7KTOGE2MH2 \
  | 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: 53e04b07535abeaed017faa6e3134c3eacf6b70fcbeb1d68660bc4f5447abd26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea2ecf851ca0e3526dc5f8f04c78d1e923839999880c1b32c03434b0b23c187",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-07-29T20:09:39Z",
    "title_canon_sha256": "6209885018c3b2535df984537bbe33fb7fa1763fbd7bd0be9b5bf7efb323d083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27441",
    "kind": "arxiv",
    "version": 1
  }
}