Pith Number

pith:EP72I5QY

pith:2025:EP72I5QYFOWR7D2LUKZ7D6EJ5Z

not attested not anchored not stored refs pending

A prescribed curvature flow on hyperbolic surfaces with infinite topological type

Puchun Zhou, Xinrong Zhao

arxiv:2505.20091 v1 · 2025-05-26 · math.GT · 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{EP72I5QYFOWR7D2LUKZ7D6EJ5Z}

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

Characterization of Infinite Ideal Polyhedra in Hyperbolic 3-Space via Combinatorial Ricci Flow

Receipt and verification

First computed	2026-07-05T11:09:52.605432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ffa476182bad1f8f4ba2b3f1f889ee755678a5c9dc5c2e6e58cb70471be175

Aliases

arxiv: 2505.20091 · arxiv_version: 2505.20091v1 · doi: 10.48550/arxiv.2505.20091 · pith_short_12: EP72I5QYFOWR · pith_short_16: EP72I5QYFOWR7D2L · pith_short_8: EP72I5QY

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/EP72I5QYFOWR7D2LUKZ7D6EJ5Z \
  | 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: 23ffa476182bad1f8f4ba2b3f1f889ee755678a5c9dc5c2e6e58cb70471be175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9dc0736d88fd7ea6154bea0956c60191bae7922761c10d4b48393f240573f5f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2025-05-26T15:02:56Z",
    "title_canon_sha256": "24f02d7b07051729d0000e27c35b9a27374203ec97830dfcab6385646b21fea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20091",
    "kind": "arxiv",
    "version": 1
  }
}