Pith Number

pith:XKFXY3NT

pith:2024:XKFXY3NTGLG5AJBGGZFQABUXBE

not attested not anchored not stored refs pending

A Second-Order, Variable-Resolution, Weakly-Compressible Smoothed Particle Hydrodynamics Scheme

Abhinav Muta, Pawan Negi, Prabhu Ramachandran

arxiv:2407.20290 v1 · 2024-07-26 · 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{XKFXY3NTGLG5AJBGGZFQABUXBE}

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	2026-07-05T08:49:55.783465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba8b7c6db332cdd02426364b000697090edd450582364f1f0930871ff019f3c7

Aliases

arxiv: 2407.20290 · arxiv_version: 2407.20290v1 · doi: 10.48550/arxiv.2407.20290 · pith_short_12: XKFXY3NTGLG5 · pith_short_16: XKFXY3NTGLG5AJBG · pith_short_8: XKFXY3NT

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/XKFXY3NTGLG5AJBGGZFQABUXBE \
  | 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: ba8b7c6db332cdd02426364b000697090edd450582364f1f0930871ff019f3c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d4cbab6145e9aea23ca37c32723645c6c1abfd7d3941b72d57caac476e4b12",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2024-07-26T22:03:29Z",
    "title_canon_sha256": "670df5e86f927b44e34c4f025077b5826ad65dbcc542cfbea4d3817009ae100d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.20290",
    "kind": "arxiv",
    "version": 1
  }
}