Pith Number

pith:QVXWDJOV

pith:2013:QVXWDJOVSO64SJXAXQSLKG6XX2

not attested not anchored not stored refs pending

Boundary estimates for the Ricci flow

Panagiotis Gianniotis

arxiv:1311.3162 v3 · 2013-11-13 · 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{QVXWDJOVSO64SJXAXQSLKG6XX2}

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	2026-05-18T01:00:13.087075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

856f61a5d593bdc926e0bc24b51bd7bea0610dc5c943432588dfe9f9719be8bf

Aliases

arxiv: 1311.3162 · arxiv_version: 1311.3162v3 · doi: 10.48550/arxiv.1311.3162 · pith_short_12: QVXWDJOVSO64 · pith_short_16: QVXWDJOVSO64SJXA · pith_short_8: QVXWDJOV

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/QVXWDJOVSO64SJXAXQSLKG6XX2 \
  | 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: 856f61a5d593bdc926e0bc24b51bd7bea0610dc5c943432588dfe9f9719be8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099e8fc8de60875c6083d1853def75db543c26b97c8a29e7ffe49a2b07bd6872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-11-13T15:15:25Z",
    "title_canon_sha256": "a1442fddf0a8786b730698d8ef2336e40d01586d82cde9b83ba2b5a64f7476dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3162",
    "kind": "arxiv",
    "version": 3
  }
}