Pith Number

pith:NED2D3RC

pith:2013:NED2D3RCW7OYYYOBF4YNQ2GGB6

not attested not anchored not stored refs pending

Mean Value Inequalities and Conditions to Extend Ricci Flow

Hung Tran, Xiaodong Cao

arxiv:1303.4492 v1 · 2013-03-19 · 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{NED2D3RCW7OYYYOBF4YNQ2GGB6}

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	2026-05-18T01:29:59.859463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6907a1ee22b7dd8c61c12f30d868c60fb786af8b21ff3d1741d4b5bd7e41c2d6

Aliases

arxiv: 1303.4492 · arxiv_version: 1303.4492v1 · doi: 10.48550/arxiv.1303.4492 · pith_short_12: NED2D3RCW7OY · pith_short_16: NED2D3RCW7OYYYOB · pith_short_8: NED2D3RC

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/NED2D3RCW7OYYYOBF4YNQ2GGB6 \
  | 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: 6907a1ee22b7dd8c61c12f30d868c60fb786af8b21ff3d1741d4b5bd7e41c2d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cee8f959ad314b6e63a729d12cd9538d9336a308b5f583c1ca5dc523e3b3fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-03-19T05:44:11Z",
    "title_canon_sha256": "0ae64d726d01ef71aa99cada5d0d5c8b9f0e7332899feb7800dd0c23b8c02fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4492",
    "kind": "arxiv",
    "version": 1
  }
}