Pith Number

pith:5VZ4UHW7

pith:2015:5VZ4UHW7XTVNXO23P75VGKA2L6

not attested not anchored not stored refs pending

Fast algorithm for periodic density fitting for Bloch waves

Jianfeng Lu, Lexing Ying

arxiv:1512.00432 v2 · 2015-12-01 · math.NA · 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{5VZ4UHW7XTVNXO23P75VGKA2L6}

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.

Cited by

1 paper in Pith

Non-Negative Least Squares Reweighting and Pruning of Quadrature Grids for Tensor Hypercontraction

Receipt and verification

First computed	2026-05-18T01:25:25.898144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed73ca1edfbceadbbb5b7ffb53281a5f83f8b4269fca5772ed95b99793aae47d

Aliases

arxiv: 1512.00432 · arxiv_version: 1512.00432v2 · doi: 10.48550/arxiv.1512.00432 · pith_short_12: 5VZ4UHW7XTVN · pith_short_16: 5VZ4UHW7XTVNXO23 · pith_short_8: 5VZ4UHW7

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/5VZ4UHW7XTVNXO23P75VGKA2L6 \
  | 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: ed73ca1edfbceadbbb5b7ffb53281a5f83f8b4269fca5772ed95b99793aae47d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b27af91c8187f06a12bd589b4d58665a1c6cdb0a551700d87b55c13b7561464",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-01T20:38:59Z",
    "title_canon_sha256": "33cff356ea8448c58e404ada045a2c7677d580bd68da9645e2420a0f35427661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00432",
    "kind": "arxiv",
    "version": 2
  }
}