Pith Number

pith:BS44RAUB

pith:2025:BS44RAUBI3ULRRD2VKBPKNJFPS

not attested not anchored not stored refs pending

Development of Rheological Constitutive Modeling Method Using a Sparse Identification Algorithm: A Case Study for Extensional Flows

Shota Kato, Souta Miyamoto, Takeshi Sato

arxiv:2512.05600 v2 · 2025-12-05 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BS44RAUBI3ULRRD2VKBPKNJFPS}

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	2026-05-20T00:01:37.547672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cb9c8828146e8b8c47aaa82f535257c9b25ad8f98e7239ff0916d950d2684dc

Aliases

arxiv: 2512.05600 · arxiv_version: 2512.05600v2 · doi: 10.48550/arxiv.2512.05600 · pith_short_12: BS44RAUBI3UL · pith_short_16: BS44RAUBI3ULRRD2 · pith_short_8: BS44RAUB

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/BS44RAUBI3ULRRD2VKBPKNJFPS \
  | 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: 0cb9c8828146e8b8c47aaa82f535257c9b25ad8f98e7239ff0916d950d2684dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8527ce090d220ec456e1bb726ec231bca12515e8e1f8665d7907ae9adda6bb2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-12-05T10:37:12Z",
    "title_canon_sha256": "01aa3864c71e16e3be5d816939bedc1dc39f42e4a9cc3f654a88e195f539f2c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.05600",
    "kind": "arxiv",
    "version": 2
  }
}