Pith Number

pith:DP7KESRW

pith:2011:DP7KESRW6UQV7LLCTGMSJ2XYJH

not attested not anchored not stored refs pending

A Note on Conformal Ricci Flow

Jie Qing, Peng Lu, Yu Zheng

arxiv:1109.5377 v1 · 2011-09-25 · 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{DP7KESRW6UQV7LLCTGMSJ2XYJH}

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	2026-05-18T04:12:19.920418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bfea24a36f5215fad62999924eaf849c89cb03837deae6158e66b3facdeb7ba

Aliases

arxiv: 1109.5377 · arxiv_version: 1109.5377v1 · doi: 10.48550/arxiv.1109.5377 · pith_short_12: DP7KESRW6UQV · pith_short_16: DP7KESRW6UQV7LLC · pith_short_8: DP7KESRW

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/DP7KESRW6UQV7LLCTGMSJ2XYJH \
  | 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: 1bfea24a36f5215fad62999924eaf849c89cb03837deae6158e66b3facdeb7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28493d45f51e501be4e5529f79f65cc62d53a2136ffb2bcb8295ff23e60b2c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-09-25T17:50:16Z",
    "title_canon_sha256": "8cfbcef7a4dee5f615e0548a2e8eaa936ec7f9208aa61a75bba3fb55be7ba4ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5377",
    "kind": "arxiv",
    "version": 1
  }
}