Pith Number

pith:N5RTJTY4

pith:2013:N5RTJTY4OYLYJRIZERTLG7CNIE

not attested not anchored not stored refs pending

Extinction of solutions to a class of fast diffusion systems with nonlinear sources

Wenjie Gao, Yuzhu Han

arxiv:1312.6243 v1 · 2013-12-21 · 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{N5RTJTY4OYLYJRIZERTLG7CNIE}

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	2026-05-18T03:04:05.749111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6334cf1c761784c5192466b37c4d41194c22af151d953802b7cad0b7e704c4

Aliases

arxiv: 1312.6243 · arxiv_version: 1312.6243v1 · doi: 10.48550/arxiv.1312.6243 · pith_short_12: N5RTJTY4OYLY · pith_short_16: N5RTJTY4OYLYJRIZ · pith_short_8: N5RTJTY4

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/N5RTJTY4OYLYJRIZERTLG7CNIE \
  | 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: 6f6334cf1c761784c5192466b37c4d41194c22af151d953802b7cad0b7e704c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "831db2c433b3ac8fdaeb3a3b03e07a4a9b2f92c9700f8fdeb6c76db039672f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-21T11:40:05Z",
    "title_canon_sha256": "649c94c7723cec11c7ec5f0bc096d7ecc4858a1af3b24d8f426f15ab55c11cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6243",
    "kind": "arxiv",
    "version": 1
  }
}