Pith Number

pith:BWPZJO2P

pith:2020:BWPZJO2PP3KZWSYI6PB3MUZHJE

not attested not anchored not stored refs pending

A Local Singularity Analysis for the Ricci Flow and its Applications to Ricci Flows with Bounded Scalar Curvature

Gianmichele Di Matteo, Reto Buzano

arxiv:2006.16227 v3 · 2020-06-29 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWPZJO2PP3KZWSYI6PB3MUZHJE}

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	2026-06-08T01:04:57.992860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9f94bb4f7ed59b4b08f3c3b65327493f42d1f14eba0328ec34ea7e13ef5ac0

Aliases

arxiv: 2006.16227 · arxiv_version: 2006.16227v3 · doi: 10.48550/arxiv.2006.16227 · pith_short_12: BWPZJO2PP3KZ · pith_short_16: BWPZJO2PP3KZWSYI · pith_short_8: BWPZJO2P

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/BWPZJO2PP3KZWSYI6PB3MUZHJE \
  | 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: 0d9f94bb4f7ed59b4b08f3c3b65327493f42d1f14eba0328ec34ea7e13ef5ac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3fca9993151456731dc415c87bdd7765f5fd076a41b4958dfcaae89532ede2",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2020-06-29T17:46:45Z",
    "title_canon_sha256": "86a5c2c672971a7669cbc99461f8a025bb4532d3a3349b621fd62aaee16ddeca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16227",
    "kind": "arxiv",
    "version": 3
  }
}