Pith Number

pith:CA4NSPUF

pith:2012:CA4NSPUFCZBENAB775AYVJTFZM

not attested not anchored not stored refs pending

Time-analyticity of solutions to the Ricci flow

Brett Kotschwar

arxiv:1210.3083 v2 · 2012-10-10 · 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{CA4NSPUFCZBENAB775AYVJTFZM}

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	2026-05-18T03:43:17.621635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1038d93e85164246803fff418aa665cb2a20beed79088cad40d1f125dcf30d6b

Aliases

arxiv: 1210.3083 · arxiv_version: 1210.3083v2 · doi: 10.48550/arxiv.1210.3083 · pith_short_12: CA4NSPUFCZBE · pith_short_16: CA4NSPUFCZBENAB7 · pith_short_8: CA4NSPUF

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/CA4NSPUFCZBENAB775AYVJTFZM \
  | 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: 1038d93e85164246803fff418aa665cb2a20beed79088cad40d1f125dcf30d6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbae1f95d01b611136b666e2171fc9ee487319ac94c1348e70bc5e4a68da601a",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-10T23:10:40Z",
    "title_canon_sha256": "730bdad708834c044bf4b6de92ef32de09e0f122ae149e32adac7bb3f23e458e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3083",
    "kind": "arxiv",
    "version": 2
  }
}