Pith Number

pith:5N7B7H7K

pith:2014:5N7B7H7KPYDWIXGKMMOAA7SRSW

not attested not anchored not stored refs pending

A CR proof for a global estimate of the Diederich--Fornaess index of Levi-flat real hypersurfaces

Masanori Adachi

arxiv:1410.2789 v2 · 2014-10-10 · math.CV · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5N7B7H7KPYDWIXGKMMOAA7SRSW}

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	2026-05-18T01:26:50.511381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb7e1f9fea7e07645cca631c007e5195bb2660b2e7f93b2dc8021dabcdbecfa0

Aliases

arxiv: 1410.2789 · arxiv_version: 1410.2789v2 · doi: 10.48550/arxiv.1410.2789 · pith_short_12: 5N7B7H7KPYDW · pith_short_16: 5N7B7H7KPYDWIXGK · pith_short_8: 5N7B7H7K

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/5N7B7H7KPYDWIXGKMMOAA7SRSW \
  | 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: eb7e1f9fea7e07645cca631c007e5195bb2660b2e7f93b2dc8021dabcdbecfa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7a87f17b7279ada0541da1e26e01f3aa38d4d266caf7796084b1e2e869a593",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-10-10T14:03:42Z",
    "title_canon_sha256": "423454e1771e11cd7b59ce9f4beebe114bccfd25802e455467699c8f8287b1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2789",
    "kind": "arxiv",
    "version": 2
  }
}