Pith Number

pith:N6BYQVPC

pith:2019:N6BYQVPCVFVV4Z32P466EFMM24

not attested not anchored not stored refs pending

Ricci flow and contractibility of spaces of metrics

Bruce Kleiner, Richard H. Bamler

arxiv:1909.08710 v1 · 2019-09-18 · math.DG · math.AP · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6BYQVPCVFVV4Z32P466EFMM24}

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

3 papers in Pith

Existence of two embedded minimal spheres in $S^3$ with an arbitrary metric

Mean Curvature Flow and Heegaard Surfaces in Lens Spaces

Relative eta invariant and uniformly positive scalar curvature on non-compact manifolds

Receipt and verification

First computed	2026-07-05T00:05:37.034928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f838855e2a96b5e677a7f3de2158cd73b1381168c7456d7a02c056536129486

Aliases

arxiv: 1909.08710 · arxiv_version: 1909.08710v1 · doi: 10.48550/arxiv.1909.08710 · pith_short_12: N6BYQVPCVFVV · pith_short_16: N6BYQVPCVFVV4Z32 · pith_short_8: N6BYQVPC

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/N6BYQVPCVFVV4Z32P466EFMM24 \
  | 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: 6f838855e2a96b5e677a7f3de2158cd73b1381168c7456d7a02c056536129486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2c544eb1fa9f78eb9fd96384c2ba8ddefe612ffb1718b65d8af38dfbc92b16",
    "cross_cats_sorted": [
      "math.AP",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-09-18T21:11:41Z",
    "title_canon_sha256": "4a5e53f30c23245c7793460a7f01ba26d04fe3ae3500c2b4c9256a38c2cec0f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08710",
    "kind": "arxiv",
    "version": 1
  }
}