Pith Number

pith:YRMZFLFT

pith:2011:YRMZFLFTEOQTSM72M6QDS7FNDA

not attested not anchored not stored refs pending

Ricci flows with unbounded curvature

Gregor Giesen, Peter M. Topping

arxiv:1106.2493 v2 · 2011-06-13 · math.AP · 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{YRMZFLFTEOQTSM72M6QDS7FNDA}

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	2026-05-18T03:33:26.654174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45992acb323a13933fa67a0397cad181b4850247b84d5651b3b43edc5e08315

Aliases

arxiv: 1106.2493 · arxiv_version: 1106.2493v2 · doi: 10.48550/arxiv.1106.2493 · pith_short_12: YRMZFLFTEOQT · pith_short_16: YRMZFLFTEOQTSM72 · pith_short_8: YRMZFLFT

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/YRMZFLFTEOQTSM72M6QDS7FNDA \
  | 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: c45992acb323a13933fa67a0397cad181b4850247b84d5651b3b43edc5e08315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9e7eb376e0f32b9b1acbe42a0163de90007dce4727ca6ef4eec7454b73cf5d6",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-06-13T17:13:09Z",
    "title_canon_sha256": "d57f08d9b9c4f80cc3629317be2907ff4da2da28114edd2c6d23f71ec072f5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2493",
    "kind": "arxiv",
    "version": 2
  }
}