Pith Number

pith:DXM4Y7I2

pith:2025:DXM4Y7I2WCURC6FUEJ5ZIL3VOV

not attested not anchored not stored refs pending

Geometric local parameterization for solving Hele-Shaw problems with surface tension

John Harlim, Wenrui Hao, Zengyan Zhang

arxiv:2510.14088 v2 · 2025-10-15 · math.NA · cs.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{DXM4Y7I2WCURC6FUEJ5ZIL3VOV}

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	2026-05-21T01:05:10.815871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dd9cc7d1ab0a91178b4227b942f757547aea53b69266d15a4220bbc08fc08c8

Aliases

arxiv: 2510.14088 · arxiv_version: 2510.14088v2 · doi: 10.48550/arxiv.2510.14088 · pith_short_12: DXM4Y7I2WCUR · pith_short_16: DXM4Y7I2WCURC6FU · pith_short_8: DXM4Y7I2

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/DXM4Y7I2WCURC6FUEJ5ZIL3VOV \
  | 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: 1dd9cc7d1ab0a91178b4227b942f757547aea53b69266d15a4220bbc08fc08c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c366d66476ef2d3ea7c777f6aeba3963f1936dd6fe18508e7838a6cd14eac1ca",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-10-15T20:49:07Z",
    "title_canon_sha256": "bb9c2d86bc8ad0efaef02956861c77ecfbf988cac7fbefad074c396ddf518ab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.14088",
    "kind": "arxiv",
    "version": 2
  }
}