Pith Number

pith:4QIOPLSY

pith:2018:4QIOPLSYDH7RD6W4FZDL2AW5MV

not attested not anchored not stored refs pending

Nonlinear diffusion equations with Robin boundary conditions as asymptotic limits of Cahn-Hilliard systems

Taishi Motoda, Takeshi Fukao

arxiv:1802.02755 v1 · 2018-02-08 · 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{4QIOPLSYDH7RD6W4FZDL2AW5MV}

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	2026-05-18T00:24:03.173521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e410e7ae5819ff11fadc2e46bd02dd657a9111fdd0d0943749c67d718df816a3

Aliases

arxiv: 1802.02755 · arxiv_version: 1802.02755v1 · doi: 10.48550/arxiv.1802.02755 · pith_short_12: 4QIOPLSYDH7R · pith_short_16: 4QIOPLSYDH7RD6W4 · pith_short_8: 4QIOPLSY

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/4QIOPLSYDH7RD6W4FZDL2AW5MV \
  | 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: e410e7ae5819ff11fadc2e46bd02dd657a9111fdd0d0943749c67d718df816a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc864b350847618a1da3e3194ff50582bb1bd1c01eba4152114dd868a1044e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-08T08:53:25Z",
    "title_canon_sha256": "825fd2d1ff92e22f88797b45e5c54188940b1d3f0ee0189d6a069d66810d4bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02755",
    "kind": "arxiv",
    "version": 1
  }
}