Pith Number

pith:DAVP7YR4

pith:2015:DAVP7YR4CZLNBIMNJRYGBPXPJF

not attested not anchored not stored refs pending

Global existence versus blow-up results for a fourth order parabolic PDE involving the Hessian

Carlos Escudero, Filippo Gazzola, Ireneo Peral

arxiv:1503.06697 v1 · 2015-03-23 · 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{DAVP7YR4CZLNBIMNJRYGBPXPJF}

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	2026-05-18T02:20:37.582451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182affe23c1656d0a18d4c7060beef494bf8361fd32f0def1661ab539977ef73

Aliases

arxiv: 1503.06697 · arxiv_version: 1503.06697v1 · doi: 10.48550/arxiv.1503.06697 · pith_short_12: DAVP7YR4CZLN · pith_short_16: DAVP7YR4CZLNBIMN · pith_short_8: DAVP7YR4

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/DAVP7YR4CZLNBIMNJRYGBPXPJF \
  | 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: 182affe23c1656d0a18d4c7060beef494bf8361fd32f0def1661ab539977ef73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de5cf8224529e688337a39e4860afe08d451998d55fd3607e761c7b92d96e5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-23T16:01:11Z",
    "title_canon_sha256": "47250bbd4673cc6eb34e640dd48369fa84ec005faffe2b16ac0d5658d025af3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06697",
    "kind": "arxiv",
    "version": 1
  }
}