Pith Number

pith:7PSPTEKF

pith:2006:7PSPTEKFWNKWFSPV6QKHKAVOW3

not attested not anchored not stored refs pending

Stationary holomorphic discs glued to a Levi non-degenerate hypersurface

L\'ea Blanc-Centi

arxiv:math/0612151 v2 · 2006-12-06 · math.CV · 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{7PSPTEKFWNKWFSPV6QKHKAVOW3}

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	2026-05-18T03:42:53.502502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbe4f99145b35562c9f5f4147502aeb6de4eed51ce4e1de2abf4c0466a79d119

Aliases

arxiv: math/0612151 · arxiv_version: math/0612151v2 · doi: 10.48550/arxiv.math/0612151 · pith_short_12: 7PSPTEKFWNKW · pith_short_16: 7PSPTEKFWNKWFSPV · pith_short_8: 7PSPTEKF

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/7PSPTEKFWNKWFSPV6QKHKAVOW3 \
  | 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: fbe4f99145b35562c9f5f4147502aeb6de4eed51ce4e1de2abf4c0466a79d119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07cd30ed9b2216484767b1b4c402519ca4f62f9b035e72c7beb8e06027ab45d1",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "2006-12-06T13:13:06Z",
    "title_canon_sha256": "96b60b097a0c30643576c9b17b642a4d3e0bd3f96755de25f35588c99233ff56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0612151",
    "kind": "arxiv",
    "version": 2
  }
}