Pith Number

pith:FOFYJQSM

pith:2013:FOFYJQSMOHM3ZBJTHLN5GEFCC4

not attested not anchored not stored refs pending

On representation and regularity of viscosity solutions to degenerate Isaacs equations and certain nonconvex Hessian equations

Wei Zhou

arxiv:1311.6451 v1 · 2013-11-25 · math.AP · math.OC · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOFYJQSMOHM3ZBJTHLN5GEFCC4}

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	2026-05-18T03:06:14.070042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8b84c24c71d9bc85333adbd310a21733ab3a51abc05d1bdad6c1eee10cbd9c

Aliases

arxiv: 1311.6451 · arxiv_version: 1311.6451v1 · doi: 10.48550/arxiv.1311.6451 · pith_short_12: FOFYJQSMOHM3 · pith_short_16: FOFYJQSMOHM3ZBJT · pith_short_8: FOFYJQSM

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/FOFYJQSMOHM3ZBJTHLN5GEFCC4 \
  | 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: 2b8b84c24c71d9bc85333adbd310a21733ab3a51abc05d1bdad6c1eee10cbd9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2082950b96c68f792c78e98826898c38c04f8e19bc39632b31f32e2c313341f5",
    "cross_cats_sorted": [
      "math.OC",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-25T20:41:42Z",
    "title_canon_sha256": "6fa47662178384db56f07f268f680ad595400475b0d09b70d4cf151ef2f5d207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6451",
    "kind": "arxiv",
    "version": 1
  }
}