Pith Number

pith:FLCBD4UL

pith:2017:FLCBD4ULJ7GIBDIWSPBTESPNQ2

not attested not anchored not stored refs pending

Existence and large time behaviour of finite points blow-up solutions of the fast diffusion equation

Kin Ming Hui, SungHoon Kim

arxiv:1712.05515 v2 · 2017-12-15 · 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{FLCBD4ULJ7GIBDIWSPBTESPNQ2}

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	2026-05-18T00:16:55.892186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ac411f28b4fcc808d1693c33249ed868ab438bb915ebebb1856db271a7d55a8

Aliases

arxiv: 1712.05515 · arxiv_version: 1712.05515v2 · doi: 10.48550/arxiv.1712.05515 · pith_short_12: FLCBD4ULJ7GI · pith_short_16: FLCBD4ULJ7GIBDIW · pith_short_8: FLCBD4UL

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/FLCBD4ULJ7GIBDIWSPBTESPNQ2 \
  | 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: 2ac411f28b4fcc808d1693c33249ed868ab438bb915ebebb1856db271a7d55a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5632d98f558259b42c84680399b143897dfe625c768ac23d6f6442e0004a176",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-15T03:13:25Z",
    "title_canon_sha256": "4b2f56c0a7363bf61b312e41666964ff730b6eb7a423da94f266df45ab7f8a1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05515",
    "kind": "arxiv",
    "version": 2
  }
}