Pith Number

pith:7XY7JG5W

pith:2018:7XY7JG5WZPC5VBAVZ4FJKOLKHO

not attested not anchored not stored refs pending

Singular Ricci flows II

Bruce Kleiner, John Lott

arxiv:1804.03265 v2 · 2018-04-09 · 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{7XY7JG5WZPC5VBAVZ4FJKOLKHO}

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	2026-05-18T00:00:30.484779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf1f49bb6cbc5da8415cf0a95396a3b93f9ac8f69d09379035dcbd79da8121b

Aliases

arxiv: 1804.03265 · arxiv_version: 1804.03265v2 · doi: 10.48550/arxiv.1804.03265 · pith_short_12: 7XY7JG5WZPC5 · pith_short_16: 7XY7JG5WZPC5VBAV · pith_short_8: 7XY7JG5W

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/7XY7JG5WZPC5VBAVZ4FJKOLKHO \
  | 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: fdf1f49bb6cbc5da8415cf0a95396a3b93f9ac8f69d09379035dcbd79da8121b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a0327aa6bcb31bc5419f7622b08d197ac2e17d850b219fc0a0812d9dba087a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-09T22:45:03Z",
    "title_canon_sha256": "d0fb14e586b05f3fb3ab87d911b4c9e88e6702334bfef1e26e1451062cfbe7af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03265",
    "kind": "arxiv",
    "version": 2
  }
}