Pith Number

pith:LTSK56KD

pith:2025:LTSK56KDLRGLYDZVFAJHXITSH5

not attested not anchored not stored refs pending

The Lagrangian approach to the compressible primitive equations

Arnab Roy, Matthias Hieber, Tarek Z\"ochling, Yoshiki Iida

arxiv:2502.03630 v1 · 2025-02-05 · 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{LTSK56KDLRGLYDZVFAJHXITSH5}

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	2026-07-05T10:10:13.055221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ce4aef9435c4cbc0f3528127ba2723f5368168c0455da618bceb7df614fa0c4

Aliases

arxiv: 2502.03630 · arxiv_version: 2502.03630v1 · doi: 10.48550/arxiv.2502.03630 · pith_short_12: LTSK56KDLRGL · pith_short_16: LTSK56KDLRGLYDZV · pith_short_8: LTSK56KD

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/LTSK56KDLRGLYDZVFAJHXITSH5 \
  | 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: 5ce4aef9435c4cbc0f3528127ba2723f5368168c0455da618bceb7df614fa0c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797cc2499438a2053c18fec72f67239d8f45c670dd444e781e8802878425a255",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-02-05T21:36:53Z",
    "title_canon_sha256": "a2cef1ae8ea6faa9b59b442d4bc95dd33631091edb5e4ca857f277679e46fd4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03630",
    "kind": "arxiv",
    "version": 1
  }
}