Pith Number

pith:YKMAE3X5

pith:2019:YKMAE3X53JKSLK36DJ6AZ2SVII

not attested not anchored not stored refs pending

On the boundary condition and related instability in the Smoothed Particle Hydrodynamics

Chong Ye, Jin Li, Kai Lin, Philipe Mota, Wei-Liang Qian

arxiv:1908.06225 v1 · 2019-08-17 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKMAE3X53JKSLK36DJ6AZ2SVII}

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	2026-07-05T00:31:15.770782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c298026efdda5525ab7e1a7c0cea55421f3ab198772c9a55bcdb3ce0322b899b

Aliases

arxiv: 1908.06225 · arxiv_version: 1908.06225v1 · doi: 10.48550/arxiv.1908.06225 · pith_short_12: YKMAE3X53JKS · pith_short_16: YKMAE3X53JKSLK36 · pith_short_8: YKMAE3X5

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/YKMAE3X53JKSLK36DJ6AZ2SVII \
  | 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: c298026efdda5525ab7e1a7c0cea55421f3ab198772c9a55bcdb3ce0322b899b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b64ca1ec2ff2daa0abcf13706f98f64765319fb0dd39d8f53774aebb49ec6dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-08-17T02:19:03Z",
    "title_canon_sha256": "e7c1f2a4ce3db1eaa11587dfbbf88964b0aefe3788a98cbc15bd0b1afbd87e48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06225",
    "kind": "arxiv",
    "version": 1
  }
}