Pith Number

pith:7PF4OU7O

pith:2026:7PF4OU7OH6YWM3S22A47TFY4CX

not attested not anchored not stored refs pending

Second order explicit splitting scheme for fluid-poroelastic structure interaction problems

Jeonghun Lee, Suncica Canic, Yifan Wang

arxiv:2606.19811 v1 · 2026-06-18 · math.NA · cs.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PF4OU7OH6YWM3S22A47TFY4CX}

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	2026-06-19T16:12:35.914052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcbc753ee3fb1666e5ad039f9971c15e1aff150bae5b8cb62fa374f326ec791

Aliases

arxiv: 2606.19811 · arxiv_version: 2606.19811v1 · doi: 10.48550/arxiv.2606.19811 · pith_short_12: 7PF4OU7OH6YW · pith_short_16: 7PF4OU7OH6YWM3S2 · pith_short_8: 7PF4OU7O

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/7PF4OU7OH6YWM3S22A47TFY4CX \
  | 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: fbcbc753ee3fb1666e5ad039f9971c15e1aff150bae5b8cb62fa374f326ec791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5911259ff0aaa0b6f9a22ebf2d1893dc7753111bb7a1fb639c84b9a3aeb1947",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-18T05:37:43Z",
    "title_canon_sha256": "de3e2ad329fcb639e2b0f88ac25d6dac317c0b263f9288c512c2c91268ad0a60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19811",
    "kind": "arxiv",
    "version": 1
  }
}