Pith Number

pith:444IHCXY

pith:2025:444IHCXYWFG5U6YUJAKEMWI7U7

not attested not anchored not stored refs pending

Weak Solutions to a Sharp Interface Model for a Two-Phase Flow of Incompressible Viscous Fluids with Different Densities

Andrea Poiatti, Helmut Abels

arxiv:2505.06423 v1 · 2025-05-09 · 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{444IHCXYWFG5U6YUJAKEMWI7U7}

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	2026-07-05T11:01:09.305441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e738838af8b14dda7b14481446591fa7ee552b8621dfa00bd797e667a765b8fd

Aliases

arxiv: 2505.06423 · arxiv_version: 2505.06423v1 · doi: 10.48550/arxiv.2505.06423 · pith_short_12: 444IHCXYWFG5 · pith_short_16: 444IHCXYWFG5U6YU · pith_short_8: 444IHCXY

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/444IHCXYWFG5U6YUJAKEMWI7U7 \
  | 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: e738838af8b14dda7b14481446591fa7ee552b8621dfa00bd797e667a765b8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3297b2691363753448b1670ebd8c191dfa12f2a5f6c07b13ccc7d6234f512219",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-05-09T20:43:25Z",
    "title_canon_sha256": "be7f7df0fd0a1411d05f4afc51d93a76b4bd43eba305813359c93b65e0831d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06423",
    "kind": "arxiv",
    "version": 1
  }
}