Pith Number

pith:4CCTDF6O

pith:2007:4CCTDF6O2QB6SWODRMX2JFIWSF

not attested not anchored not stored refs pending

Enhancing SPH using moving least-squares and radial basis functions

J. Levesley, P. Houston, R. A. Brownlee, S. Rosswog

arxiv:0705.4374 v1 · 2007-05-30 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CCTDF6O2QB6SWODRMX2JFIWSF}

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	2026-06-03T22:06:01.049513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0853197ced403e959c38b2fa495169160b2eabb6078b47817f9b615369501d3

Aliases

arxiv: 0705.4374 · arxiv_version: 0705.4374v1 · doi: 10.48550/arxiv.0705.4374 · pith_short_12: 4CCTDF6O2QB6 · pith_short_16: 4CCTDF6O2QB6SWOD · pith_short_8: 4CCTDF6O

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/4CCTDF6O2QB6SWODRMX2JFIWSF \
  | 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: e0853197ced403e959c38b2fa495169160b2eabb6078b47817f9b615369501d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e9baddf0a6ba65753c61d0e1f67b81e6c39efe74d53c6ae8c4fd476c6d6d62",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-05-30T16:37:09Z",
    "title_canon_sha256": "4f4fad7a8714655879c5c7c0a309f9c9bb06520245d662350711a7ba7ecd387a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4374",
    "kind": "arxiv",
    "version": 1
  }
}