Pith Number

pith:DFUVXFK5

pith:2013:DFUVXFK5UZLMJLJCU2CLCXBELH

not attested not anchored not stored refs pending

Singular Ricci solitons and their stability under the Ricci flow

Dezhong Chen, Grigorios Fournodavlos, Spyros Alexakis

arxiv:1304.6449 v1 · 2013-04-24 · 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{DFUVXFK5UZLMJLJCU2CLCXBELH}

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	2026-05-18T03:27:13.098908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19695b955da656c4ad22a684b15c2459d9019c2661bbac43f02bd73be3ffd14a

Aliases

arxiv: 1304.6449 · arxiv_version: 1304.6449v1 · doi: 10.48550/arxiv.1304.6449 · pith_short_12: DFUVXFK5UZLM · pith_short_16: DFUVXFK5UZLMJLJC · pith_short_8: DFUVXFK5

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/DFUVXFK5UZLMJLJCU2CLCXBELH \
  | 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: 19695b955da656c4ad22a684b15c2459d9019c2661bbac43f02bd73be3ffd14a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f34d2f85a81862c76cda61b89a03f125569ba391702073733045b1e7ceef29",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-24T00:20:21Z",
    "title_canon_sha256": "f9d3713c2b29d0b2e4ecb2ec9f70125676e2a985b15d99101c356f3fd1c04bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6449",
    "kind": "arxiv",
    "version": 1
  }
}