Pith Number

pith:OQFSP6SK

pith:2009:OQFSP6SKQZJDY5XEEMQON2L2Y7

not attested not anchored not stored refs pending

Singular Solution to Special Lagrangian Equations

Nikolai Nadirashvili, Serge Vladuts

arxiv:0902.1436 v1 · 2009-02-09 · math.AP · 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{OQFSP6SKQZJDY5XEEMQON2L2Y7}

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	2026-05-18T02:14:48.752285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740b27fa4a86523c76e42320e6e97ac7ce5cdacc23a335a8924a26cadae79cec

Aliases

arxiv: 0902.1436 · arxiv_version: 0902.1436v1 · doi: 10.48550/arxiv.0902.1436 · pith_short_12: OQFSP6SKQZJD · pith_short_16: OQFSP6SKQZJDY5XE · pith_short_8: OQFSP6SK

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/OQFSP6SKQZJDY5XEEMQON2L2Y7 \
  | 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: 740b27fa4a86523c76e42320e6e97ac7ce5cdacc23a335a8924a26cadae79cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3f1b05dbd9220632542ee0b50b4ad806986847696efea1aef65d6e97bf9ba5d",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-02-09T13:11:47Z",
    "title_canon_sha256": "8bc8b176c91a0584fe197daec0a2a1d9a72f585577c4e9df8bfb8d99c55ac999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1436",
    "kind": "arxiv",
    "version": 1
  }
}