Pith Number

pith:W3LEDMTO

pith:2018:W3LEDMTOC76JELO62IBLUDBLCA

not attested not anchored not stored refs pending

Uniqueness and time oscillating behaviour of finite points blow-up solutions of the fast diffusion equation

Kin Ming Hui

arxiv:1805.11449 v1 · 2018-05-26 · 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{W3LEDMTOC76JELO62IBLUDBLCA}

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	2026-05-18T00:14:42.511714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6d641b26e17fc922dded202ba0c2b101774a13e5b7d09a4b1a0a078b12b0cbf

Aliases

arxiv: 1805.11449 · arxiv_version: 1805.11449v1 · doi: 10.48550/arxiv.1805.11449 · pith_short_12: W3LEDMTOC76J · pith_short_16: W3LEDMTOC76JELO6 · pith_short_8: W3LEDMTO

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/W3LEDMTOC76JELO62IBLUDBLCA \
  | 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: b6d641b26e17fc922dded202ba0c2b101774a13e5b7d09a4b1a0a078b12b0cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d165260747fa990bbb11e8e42aef4ea1fc3de97e9ad868efb2485ccc4d308218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-26T06:35:47Z",
    "title_canon_sha256": "bcaa6b7eae9ed0d225f98573caa9f4e2c8b78c7cff24ad44584af005a249f2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11449",
    "kind": "arxiv",
    "version": 1
  }
}