Pith Number

pith:4Q6HSMNA

pith:2013:4Q6HSMNAIFSYX7EBOGWW7DOQUQ

not attested not anchored not stored refs pending

Blow up of solutions of semilinear heat equations in general domains

Berardino Sciunzi, Filomena Pacella, Valeria Marino

arxiv:1306.1417 v1 · 2013-06-06 · 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{4Q6HSMNAIFSYX7EBOGWW7DOQUQ}

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	2026-05-18T03:21:34.281587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43c7931a041658bfc8171ad6f8dd0a43fcc06d6a51460beb7e4c20ad3ef3aa3

Aliases

arxiv: 1306.1417 · arxiv_version: 1306.1417v1 · doi: 10.48550/arxiv.1306.1417 · pith_short_12: 4Q6HSMNAIFSY · pith_short_16: 4Q6HSMNAIFSYX7EB · pith_short_8: 4Q6HSMNA

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/4Q6HSMNAIFSYX7EBOGWW7DOQUQ \
  | 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: e43c7931a041658bfc8171ad6f8dd0a43fcc06d6a51460beb7e4c20ad3ef3aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcc66647f53ccde2cc5f421782d039e66eadfe59d2f1f03c6ed9180aef81207f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-06T14:24:14Z",
    "title_canon_sha256": "6782e56ffadb5575217fa7e88e39dd64c260623b734602b12dbe8562103786c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1417",
    "kind": "arxiv",
    "version": 1
  }
}