Pith Number

pith:WZZH7JQJ

pith:2025:WZZH7JQJFNX3RKHRNHFQ5MMZGD

not attested not anchored not stored refs pending

Temporal quadratic and higher order variation for the nonlinear stochastic heat equation and applications to parameter estimation

Christian Olivera, C. Tudor

arxiv:2504.18450 v1 · 2025-04-25 · 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{WZZH7JQJFNX3RKHRNHFQ5MMZGD}

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	2026-07-05T10:54:07.595555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6727fa6092b6fb8a8f169cb0eb19930d744d1c92fd51730d9aa4abc13e656a8

Aliases

arxiv: 2504.18450 · arxiv_version: 2504.18450v1 · doi: 10.48550/arxiv.2504.18450 · pith_short_12: WZZH7JQJFNX3 · pith_short_16: WZZH7JQJFNX3RKHR · pith_short_8: WZZH7JQJ

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/WZZH7JQJFNX3RKHRNHFQ5MMZGD \
  | 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: b6727fa6092b6fb8a8f169cb0eb19930d744d1c92fd51730d9aa4abc13e656a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36dfc422623d628ed2514a1d88c1ba62c6fe220932581e5fa9721049a35fc7d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2025-04-25T16:02:45Z",
    "title_canon_sha256": "001b006f2cc94669c95a60b8dec5f4a9d214ef04c1ddf1186741cee586056643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18450",
    "kind": "arxiv",
    "version": 1
  }
}