Pith Number

pith:5LZ3XNHS

pith:2011:5LZ3XNHSAXVVQETQDYXU5PJGOW

not attested not anchored not stored refs pending

Rate of Convergence to Barenblatt Profiles for the Fast Diffusion Equation

Eiji Yanagida, Juan Luis Vazquez, Marek Fila, Michael Winkler

arxiv:1106.1790 v1 · 2011-06-09 · 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{5LZ3XNHSAXVVQETQDYXU5PJGOW}

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	2026-05-18T02:01:40.388931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf3bbb4f205eb5812701e2f4ebd2675a139d8d81a5bf953e3f97f8b7621c4ae

Aliases

arxiv: 1106.1790 · arxiv_version: 1106.1790v1 · doi: 10.48550/arxiv.1106.1790 · pith_short_12: 5LZ3XNHSAXVV · pith_short_16: 5LZ3XNHSAXVVQETQ · pith_short_8: 5LZ3XNHS

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/5LZ3XNHSAXVVQETQDYXU5PJGOW \
  | 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: eaf3bbb4f205eb5812701e2f4ebd2675a139d8d81a5bf953e3f97f8b7621c4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6307758e106f2872af1a55843585fc205194a66adaa94a5c370bb5e9fd78cab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-06-09T12:44:30Z",
    "title_canon_sha256": "5c985412d9e01d33c92314bbcd4bd401f3027d04390b74b7b906c0c4f0b05735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1790",
    "kind": "arxiv",
    "version": 1
  }
}