Pith Number

pith:KWFNUNL2

pith:2025:KWFNUNL2PMSJOF4QRH64VXNX3Z

not attested not anchored not stored refs pending

A Central Differential Flux with High-Order Dissipation for Robust Simulations of Transcritical Flows

Bonan Xu, Chang Sun, Peixu Guo

arxiv:2508.21599 v1 · 2025-08-29 · 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{KWFNUNL2PMSJOF4QRH64VXNX3Z}

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	2026-07-05T12:01:37.429626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558ada357a7b2497179089fdcaddb7de4b9b853854cde8e4d257a8b01c821645

Aliases

arxiv: 2508.21599 · arxiv_version: 2508.21599v1 · doi: 10.48550/arxiv.2508.21599 · pith_short_12: KWFNUNL2PMSJ · pith_short_16: KWFNUNL2PMSJOF4Q · pith_short_8: KWFNUNL2

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/KWFNUNL2PMSJOF4QRH64VXNX3Z \
  | 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: 558ada357a7b2497179089fdcaddb7de4b9b853854cde8e4d257a8b01c821645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60d2bbe000b9c6175c6de644e5b25e372e074bdd5fdcfe5d0fffbb2c4625339d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-08-29T12:58:44Z",
    "title_canon_sha256": "c84693170e2ca4f440f86d65cf59cc9ecdcd264a66eb696feb3a7809db719a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21599",
    "kind": "arxiv",
    "version": 1
  }
}