Pith Number

pith:WRCKCXNM

pith:2015:WRCKCXNMLV6RTLBSMNSC6A4ZXY

not attested not anchored not stored refs pending

Segre forms and Kobayashi-L\"ubke inequality

Simone Diverio

arxiv:1503.02512 v3 · 2015-03-09 · math.CV · math.AG · 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{WRCKCXNMLV6RTLBSMNSC6A4ZXY}

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	2026-05-18T00:47:29.681558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b444a15dac5d7d19ac3263642f0399be01b0b9af57f9d45e8277cc8e91c63f1d

Aliases

arxiv: 1503.02512 · arxiv_version: 1503.02512v3 · doi: 10.48550/arxiv.1503.02512 · pith_short_12: WRCKCXNMLV6R · pith_short_16: WRCKCXNMLV6RTLBS · pith_short_8: WRCKCXNM

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/WRCKCXNMLV6RTLBSMNSC6A4ZXY \
  | 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: b444a15dac5d7d19ac3263642f0399be01b0b9af57f9d45e8277cc8e91c63f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0883b8e1742b2f26798077f0965b8be74cfae9751559136b404bb92a62d8c33",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-03-09T15:15:19Z",
    "title_canon_sha256": "712d94b2265a1856a16006db50cd70d4e9e963836e2cacf6a3272ff34f6c9aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02512",
    "kind": "arxiv",
    "version": 3
  }
}