Pith Number

pith:YSY6Y7PY

pith:2008:YSY6Y7PYPL6F2KLBVJGPZDA3ER

not attested not anchored not stored refs pending

Periodic solutions for a class of nonlinear partial differential equations in higher dimension

Guido Gentile, Michela Procesi

arxiv:0804.4365 v1 · 2008-04-28 · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSY6Y7PYPL6F2KLBVJGPZDA3ER}

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	2026-05-18T02:15:53.323554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b1ec7df87afc5d2961aa4cfc8c1b24552723dd6df4f6f2db7acd31082ec26e

Aliases

arxiv: 0804.4365 · arxiv_version: 0804.4365v1 · doi: 10.48550/arxiv.0804.4365 · pith_short_12: YSY6Y7PYPL6F · pith_short_16: YSY6Y7PYPL6F2KLB · pith_short_8: YSY6Y7PY

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/YSY6Y7PYPL6F2KLBVJGPZDA3ER \
  | 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: c4b1ec7df87afc5d2961aa4cfc8c1b24552723dd6df4f6f2db7acd31082ec26e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a22725026629c69501561f242f929b4d946b37a6f45975cd98a943c9fe7db99",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-04-28T10:26:44Z",
    "title_canon_sha256": "c75e364420fd195b4bbd362961d2147df1a0ae811f1423bc6ada8987823d3e92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4365",
    "kind": "arxiv",
    "version": 1
  }
}