Pith Number

pith:OZDEB7ZF

pith:2014:OZDEB7ZFHVLGHWLH6K6GORR7N4

not attested not anchored not stored refs pending

Evolving hypersurfaces by their mean curvature in the background manifold evolving by Ricci flow

Haobin Yu, Weimin Sheng

arxiv:1407.5195 v2 · 2014-07-19 · 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{OZDEB7ZFHVLGHWLH6K6GORR7N4}

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	2026-05-18T02:45:57.545505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

764640ff253d5663d967f2bc67463f6f1450ad0d33342f8607d966bc0854a3a5

Aliases

arxiv: 1407.5195 · arxiv_version: 1407.5195v2 · doi: 10.48550/arxiv.1407.5195 · pith_short_12: OZDEB7ZFHVLG · pith_short_16: OZDEB7ZFHVLGHWLH · pith_short_8: OZDEB7ZF

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/OZDEB7ZFHVLGHWLH6K6GORR7N4 \
  | 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: 764640ff253d5663d967f2bc67463f6f1450ad0d33342f8607d966bc0854a3a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e03d0f209e2b8aa388c78198309829006c8d41376d1c222be8b29dc5ca6572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-19T15:02:26Z",
    "title_canon_sha256": "43f90f339cc781dbe3773906e42ba80476679fc67185bbdee1958067b33c6012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5195",
    "kind": "arxiv",
    "version": 2
  }
}