Pith Number

pith:UT24NI5S

pith:2017:UT24NI5S2LE3YKBC2YXZ4IUAS6

not attested not anchored not stored refs pending

Positivity-preserving, energy stable numerical schemes for the Cahn-Hilliard equation with logarithmic potential

Cheng Wang, Steven M. Wise, Wenbin Chen, Xiaoming Wang

arxiv:1712.03225 v2 · 2017-12-08 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UT24NI5S2LE3YKBC2YXZ4IUAS6}

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	2026-05-17T23:54:26.563455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f5c6a3b2d2c9bc2822d62f9e228097b04ca4276bd11455a9e7cb85391523db

Aliases

arxiv: 1712.03225 · arxiv_version: 1712.03225v2 · doi: 10.48550/arxiv.1712.03225 · pith_short_12: UT24NI5S2LE3 · pith_short_16: UT24NI5S2LE3YKBC · pith_short_8: UT24NI5S

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/UT24NI5S2LE3YKBC2YXZ4IUAS6 \
  | 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: a4f5c6a3b2d2c9bc2822d62f9e228097b04ca4276bd11455a9e7cb85391523db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f2a7d5facd1283d3535e81a2ef495d5063a708e20b6d05a66a296cde579513",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-08T03:26:02Z",
    "title_canon_sha256": "b9aa7e92ea29bddf2b557265a0638f72e7023fa6181c19c84100b4a5754e211a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03225",
    "kind": "arxiv",
    "version": 2
  }
}