Pith Number

pith:3WZFZG2R

pith:2016:3WZFZG2RF6PUBODM7B255YWQC3

not attested not anchored not stored refs pending

Existence and nonexistence of solutions for the heat equation with a superlinear source term

Norisuke Ioku, Yohei Fujishima

arxiv:1609.06394 v1 · 2016-09-21 · 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{3WZFZG2RF6PUBODM7B255YWQC3}

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	2026-05-18T01:04:08.410488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb25c9b512f9f40b86cf875dee2d016ed30b1a369467f3f10e64e28983d5aaa

Aliases

arxiv: 1609.06394 · arxiv_version: 1609.06394v1 · doi: 10.48550/arxiv.1609.06394 · pith_short_12: 3WZFZG2RF6PU · pith_short_16: 3WZFZG2RF6PUBODM · pith_short_8: 3WZFZG2R

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/3WZFZG2RF6PUBODM7B255YWQC3 \
  | 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: ddb25c9b512f9f40b86cf875dee2d016ed30b1a369467f3f10e64e28983d5aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d599a4116ffe243c3125bfc6dca37fe0e29ac1ff3e1241ab25f870cf0998025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-21T01:11:01Z",
    "title_canon_sha256": "25c830c9e5e715b665649a4e9fd6457c64d7efd9c0af2fc3afc075fbedba5b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06394",
    "kind": "arxiv",
    "version": 1
  }
}