Pith Number

pith:Y3CZHDWU

pith:2013:Y3CZHDWUFBXULIAR7OWSFCGKKQ

not attested not anchored not stored refs pending

Simple free-surface detection in two and three-dimensional SPH solver

Agra Barecasco, Christian Fredy Naa, Hanifa Terissa

arxiv:1309.4290 v1 · 2013-09-17 · physics.flu-dyn · 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{Y3CZHDWUFBXULIAR7OWSFCGKKQ}

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	2026-05-18T03:13:09.128302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6c5938ed4286f45a011fbad2288ca54361dff44a64e755f19b48b71a906c734

Aliases

arxiv: 1309.4290 · arxiv_version: 1309.4290v1 · doi: 10.48550/arxiv.1309.4290 · pith_short_12: Y3CZHDWUFBXU · pith_short_16: Y3CZHDWUFBXULIAR · pith_short_8: Y3CZHDWU

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/Y3CZHDWUFBXULIAR7OWSFCGKKQ \
  | 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: c6c5938ed4286f45a011fbad2288ca54361dff44a64e755f19b48b71a906c734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "225855128d5d7dd12940f1aee1dbb38889cbc8d336fc512dc22f13dff1788cf6",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-17T12:57:23Z",
    "title_canon_sha256": "787962099b13c0f8a80f939bcdacb366304e6c8b07a82ad25a6b4a66e79700cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4290",
    "kind": "arxiv",
    "version": 1
  }
}