Pith Number

pith:3ITZSI7F

pith:2018:3ITZSI7FHBBYVPUAZHLODPOIZG

not attested not anchored not stored refs pending

Sturm attractors for quasilinear parabolic equations with singular coefficients

Phillipo Lappicy

arxiv:1806.04019 v2 · 2018-06-11 · math.DS · 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{3ITZSI7FHBBYVPUAZHLODPOIZG}

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	2026-05-17T23:54:31.726645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da279923e538438abe80c9d6e1bdc8c999b58c793e512127347c08995c62be9d

Aliases

arxiv: 1806.04019 · arxiv_version: 1806.04019v2 · doi: 10.48550/arxiv.1806.04019 · pith_short_12: 3ITZSI7FHBBY · pith_short_16: 3ITZSI7FHBBYVPUA · pith_short_8: 3ITZSI7F

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/3ITZSI7FHBBYVPUAZHLODPOIZG \
  | 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: da279923e538438abe80c9d6e1bdc8c999b58c793e512127347c08995c62be9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd30f95c6d68aa6a28994194fd63e9949cf6944254f08151545bcf551548b3c0",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-06-11T15:57:22Z",
    "title_canon_sha256": "edf125eb5f2fc5f3ce7caf032206635f705befc03759f99432feb67246b74d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04019",
    "kind": "arxiv",
    "version": 2
  }
}