Pith Number

pith:EKKQGFFK

pith:2018:EKKQGFFKAPVL6R5MBDNEI7BP2Q

not attested not anchored not stored refs pending

An application of interpolation inequalities between the deviation of curvature and the isoperimetric ratio to the length-preserving flow

Kohei Nakamura

arxiv:1811.11576 v1 · 2018-11-27 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKKQGFFKAPVL6R5MBDNEI7BP2Q}

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	2026-05-17T23:59:40.679967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22950314aa03eabf47ac08da447c2fd43fb11cb49e53261a634ae00ee5f0e055

Aliases

arxiv: 1811.11576 · arxiv_version: 1811.11576v1 · doi: 10.48550/arxiv.1811.11576 · pith_short_12: EKKQGFFKAPVL · pith_short_16: EKKQGFFKAPVL6R5M · pith_short_8: EKKQGFFK

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/EKKQGFFKAPVL6R5MBDNEI7BP2Q \
  | 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: 22950314aa03eabf47ac08da447c2fd43fb11cb49e53261a634ae00ee5f0e055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71fe1976773e3c6fc30c1eba1d49da9ec326cb21779a1e33b4496c0f76b87637",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-27T06:30:05Z",
    "title_canon_sha256": "adedd152ec09deb78562b96dcd170e1aba37e72227c1d17b70b2ae6dd1df44aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11576",
    "kind": "arxiv",
    "version": 1
  }
}