Pith Number

pith:NS7MGMPN

pith:2017:NS7MGMPNAMTR5SNPTRDUXGLKEK

not attested not anchored not stored refs pending

Invariance of Diederich-Fornaess index

Jihun Yum

arxiv:1702.02301 v1 · 2017-02-08 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NS7MGMPNAMTR5SNPTRDUXGLKEK}

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	2026-05-18T00:51:06.268545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cbec331ed03271ec9af9c474b996a2282c04d3fad6a60b0d171c53c0b5e585c

Aliases

arxiv: 1702.02301 · arxiv_version: 1702.02301v1 · doi: 10.48550/arxiv.1702.02301 · pith_short_12: NS7MGMPNAMTR · pith_short_16: NS7MGMPNAMTR5SNP · pith_short_8: NS7MGMPN

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/NS7MGMPNAMTR5SNPTRDUXGLKEK \
  | 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: 6cbec331ed03271ec9af9c474b996a2282c04d3fad6a60b0d171c53c0b5e585c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd73a45f75cd247c2edebd492d53b29f38984518a338086d191ed3190c6b73c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-02-08T06:44:18Z",
    "title_canon_sha256": "1c24249a5a55550f08f7533536346c6c02e6579bb354994dc7dc1aa183f979df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02301",
    "kind": "arxiv",
    "version": 1
  }
}