Pith Number

pith:HZ5BLHSV

pith:2010:HZ5BLHSVRBQSWDXJ7DNKYOSY2R

not attested not anchored not stored refs pending

Extinction profile of the logarithmic diffusion equation

Kin Ming Hui, SungHoon Kim

arxiv:1012.1915 v4 · 2010-12-09 · 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{HZ5BLHSVRBQSWDXJ7DNKYOSY2R}

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	2026-05-18T03:44:57.910442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7a159e5588612b0ee9f8daac3a58d44cef68b93f17a340582a82a06c84beae

Aliases

arxiv: 1012.1915 · arxiv_version: 1012.1915v4 · doi: 10.48550/arxiv.1012.1915 · pith_short_12: HZ5BLHSVRBQS · pith_short_16: HZ5BLHSVRBQSWDXJ · pith_short_8: HZ5BLHSV

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/HZ5BLHSVRBQSWDXJ7DNKYOSY2R \
  | 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: 3e7a159e5588612b0ee9f8daac3a58d44cef68b93f17a340582a82a06c84beae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3ee06c5afd9d107de33694dc00c7f9f33621e812246c856a16eb0fe4d3f1c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-12-09T03:23:55Z",
    "title_canon_sha256": "100912ef593dfb2ae4621344b30d80809ae234ba1389242c43b3de8421ef29db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1915",
    "kind": "arxiv",
    "version": 4
  }
}