Pith Number

pith:MBNWKIDX

pith:2019:MBNWKIDXW5QDJCWJNOGBBU76CZ

not attested not anchored not stored refs pending

Stochastic models associated to a Nonlocal Porous Medium Equation

Alessandro De Gregorio

arxiv:1902.01227 v1 · 2019-02-04 · 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{MBNWKIDXW5QDJCWJNOGBBU76CZ}

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	2026-05-17T23:54:49.390486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

605b652077b760348ac96b8c10d3fe1659bae837712c7f84eb63d06dc94aa507

Aliases

arxiv: 1902.01227 · arxiv_version: 1902.01227v1 · doi: 10.48550/arxiv.1902.01227 · pith_short_12: MBNWKIDXW5QD · pith_short_16: MBNWKIDXW5QDJCWJ · pith_short_8: MBNWKIDX

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/MBNWKIDXW5QDJCWJNOGBBU76CZ \
  | 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: 605b652077b760348ac96b8c10d3fe1659bae837712c7f84eb63d06dc94aa507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4814fa391c6b8b55e0d9269a350ff05ee7686cf8caa574f47ffbf3f6d6a6cd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-02-04T14:46:05Z",
    "title_canon_sha256": "544a7ccdf416b6bba7407cab88358b4d0721930ffb73ffa2d8209d5949009d4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01227",
    "kind": "arxiv",
    "version": 1
  }
}