Pith Number

pith:CPFO75TA

pith:2011:CPFO75TAQJ4JSQ6WVKU23TOFJ6

not attested not anchored not stored refs pending

The Dirichlet problem for non-divergence parabolic equations with discontinuous in time coefficients in a wedge

Alexander Nazarov, Vladimir Kozlov

arxiv:1112.3031 v1 · 2011-12-13 · 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{CPFO75TAQJ4JSQ6WVKU23TOFJ6}

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	2026-05-18T04:06:31.695176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13caeff66082789943d6aaa9adcdc54fa19d7df74d9a634dae229723731ab21d

Aliases

arxiv: 1112.3031 · arxiv_version: 1112.3031v1 · doi: 10.48550/arxiv.1112.3031 · pith_short_12: CPFO75TAQJ4J · pith_short_16: CPFO75TAQJ4JSQ6W · pith_short_8: CPFO75TA

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/CPFO75TAQJ4JSQ6WVKU23TOFJ6 \
  | 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: 13caeff66082789943d6aaa9adcdc54fa19d7df74d9a634dae229723731ab21d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b6a68ae8263a73842d6c7c1ba46e7d18627604ceff27f13ec45ae004fe3b69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-12-13T20:56:19Z",
    "title_canon_sha256": "13201db5563262ea6b5098dde6343629fe84bfb1a44a0335fe0a31068e5ac4ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3031",
    "kind": "arxiv",
    "version": 1
  }
}