Pith Number

pith:ZYPIBRUN

pith:2017:ZYPIBRUNFMYKMDQFTW4I5NHZNQ

not attested not anchored not stored refs pending

Nonlinear diffusion equations as asymptotic limits of Cahn--Hilliard systems on unbounded domains via Cauchy's criterion

Shunsuke Kurima, Takeshi Fukao, Tomomi Yokota

arxiv:1710.03408 v1 · 2017-10-10 · 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{ZYPIBRUNFMYKMDQFTW4I5NHZNQ}

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	2026-05-18T00:16:30.965657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce1e80c68d2b30a60e059db88eb4f96c1cf71d92c39ad8e5300ea8f010d5be9f

Aliases

arxiv: 1710.03408 · arxiv_version: 1710.03408v1 · doi: 10.48550/arxiv.1710.03408 · pith_short_12: ZYPIBRUNFMYK · pith_short_16: ZYPIBRUNFMYKMDQF · pith_short_8: ZYPIBRUN

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/ZYPIBRUNFMYKMDQFTW4I5NHZNQ \
  | 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: ce1e80c68d2b30a60e059db88eb4f96c1cf71d92c39ad8e5300ea8f010d5be9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5825f2187505605eeaeca3caf437b767552dce3d65d39ca61450f3d3ac8d501a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-10T05:43:34Z",
    "title_canon_sha256": "533a59ed55b7be21fc9b8d6e2c4982e39ec3a502e5d269c6d6b5a0c415990666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03408",
    "kind": "arxiv",
    "version": 1
  }
}