Pith Number

pith:HNJP2P7E

pith:2015:HNJP2P7EKBNYNXMI7YG3SBON7L

not attested not anchored not stored refs pending

Blow-up problems for the heat equation with a local nonlinear Neumann boundary condition

Xin Yang, Zhengfang Zhou

arxiv:1510.08903 v4 · 2015-10-29 · 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{HNJP2P7EKBNYNXMI7YG3SBON7L}

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	2026-05-18T01:12:49.559049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b52fd3fe4505b86dd88fe0db905cdfac933f245ebbc411fcf17278b0f0570e5

Aliases

arxiv: 1510.08903 · arxiv_version: 1510.08903v4 · doi: 10.48550/arxiv.1510.08903 · pith_short_12: HNJP2P7EKBNY · pith_short_16: HNJP2P7EKBNYNXMI · pith_short_8: HNJP2P7E

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/HNJP2P7EKBNYNXMI7YG3SBON7L \
  | 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: 3b52fd3fe4505b86dd88fe0db905cdfac933f245ebbc411fcf17278b0f0570e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245ae5ac2db9d479329419da065d03144c096c72a6fb152b043a61720ffa4600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-29T21:06:09Z",
    "title_canon_sha256": "c5f99361a3b5d388346f3cd1d990589644fba09c843431267945b4c4c7addb40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08903",
    "kind": "arxiv",
    "version": 4
  }
}