Pith Number

pith:YWNICSFA

pith:2013:YWNICSFAZQQ3NOZ25S6BZAWCHB

not attested not anchored not stored refs pending

Remarks on the Cauchy problem for the one-dimensional quadratic (fractional) heat equation

Luc Molinet (LMPT), Slim Tayachi

arxiv:1304.0880 v1 · 2013-04-03 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWNICSFAZQQ3NOZ25S6BZAWCHB}

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	2026-05-18T03:29:05.873361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59a8148a0cc21b6bb3aecbc1c82c238662346d4ca2e69d3c3a1672e32965d91

Aliases

arxiv: 1304.0880 · arxiv_version: 1304.0880v1 · doi: 10.48550/arxiv.1304.0880 · pith_short_12: YWNICSFAZQQ3 · pith_short_16: YWNICSFAZQQ3NOZ2 · pith_short_8: YWNICSFA

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/YWNICSFAZQQ3NOZ25S6BZAWCHB \
  | 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: c59a8148a0cc21b6bb3aecbc1c82c238662346d4ca2e69d3c3a1672e32965d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d4539360acdf6d2055f40e8c1324969efce830bd9ae9f613a087d0e2426dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-03T09:13:39Z",
    "title_canon_sha256": "800e7ea830a1c2a5af15af9cb08c2fe4944224508dd774703621a4f38ce60999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0880",
    "kind": "arxiv",
    "version": 1
  }
}