Pith Number

pith:IGJDX4J6

pith:2015:IGJDX4J6HFYFDYDNEEJGQ4WPQY

not attested not anchored not stored refs pending

Uniqueness and properties of distributional solutions of nonlocal equations of porous medium type

Espen R. Jakobsen, F\'elix del Teso, J{\o}rgen Endal

arxiv:1507.04659 v3 · 2015-07-16 · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGJDX4J6HFYFDYDNEEJGQ4WPQY}

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	2026-05-18T01:04:30.192902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41923bf13e397051e06d21126872cf863c17d76fe4cbf0066aa63b810fd7d447

Aliases

arxiv: 1507.04659 · arxiv_version: 1507.04659v3 · doi: 10.48550/arxiv.1507.04659 · pith_short_12: IGJDX4J6HFYF · pith_short_16: IGJDX4J6HFYFDYDN · pith_short_8: IGJDX4J6

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/IGJDX4J6HFYFDYDNEEJGQ4WPQY \
  | 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: 41923bf13e397051e06d21126872cf863c17d76fe4cbf0066aa63b810fd7d447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10c532ef2a171b6678df45b3685013ac5130e3d444b966b7c80690c18ac3ca4",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-07-16T17:21:46Z",
    "title_canon_sha256": "e83b378f3bd16fb1253d447ff1d4cb9d66808182de987e4acbf66ca15be24a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04659",
    "kind": "arxiv",
    "version": 3
  }
}