Pith Number

pith:ET25WAMS

pith:2014:ET25WAMSPYE355CJEVYDWPPOVJ

not attested not anchored not stored refs pending

Well-posedness of the Muskat problem with $H^2$ initial data

C.H. Arthur Cheng, Rafael Granero-Belinch\'on, Steve Shkoller

arxiv:1412.7737 v1 · 2014-12-24 · 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{ET25WAMSPYE355CJEVYDWPPOVJ}

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	2026-05-18T01:09:37.019303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f5db01927e09bef44925703b3deeaa6e1e9bd43515f70b0d8ecaec6a6810b0

Aliases

arxiv: 1412.7737 · arxiv_version: 1412.7737v1 · doi: 10.48550/arxiv.1412.7737 · pith_short_12: ET25WAMSPYE3 · pith_short_16: ET25WAMSPYE355CJ · pith_short_8: ET25WAMS

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/ET25WAMSPYE355CJEVYDWPPOVJ \
  | 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: 24f5db01927e09bef44925703b3deeaa6e1e9bd43515f70b0d8ecaec6a6810b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250e130da7cc4334b3d3ac858ba8497861785db1bf24c12f75a8adb18b92959d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-12-24T19:18:17Z",
    "title_canon_sha256": "542c190ee984c06c11f2a83e7ac55147b7ec07d69e9849a798706730f3d70fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7737",
    "kind": "arxiv",
    "version": 1
  }
}