Pith Number

pith:DW3IVY2B

pith:2007:DW3IVY2BPTXVMJBTE76NCJOSDI

not attested not anchored not stored refs pending

Prewavelet Solution to Poisson Equations

Haipeng Liu, Ming-Jun Lai

arxiv:0704.2094 v1 · 2007-04-17 · 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{DW3IVY2BPTXVMJBTE76NCJOSDI}

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	2026-06-03T22:06:00.573586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db68ae3417cef56243327fcd125d21a06f15224a5318185ee1cfd98a7df6ecc

Aliases

arxiv: 0704.2094 · arxiv_version: 0704.2094v1 · doi: 10.48550/arxiv.0704.2094 · pith_short_12: DW3IVY2BPTXV · pith_short_16: DW3IVY2BPTXVMJBT · pith_short_8: DW3IVY2B

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/DW3IVY2BPTXVMJBTE76NCJOSDI \
  | 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: 1db68ae3417cef56243327fcd125d21a06f15224a5318185ee1cfd98a7df6ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6805f78f8087ee8f1ae8d0ac651648b6026e2c4cb9f9ca6caa13c146e63b2c1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-04-17T03:26:31Z",
    "title_canon_sha256": "1567a848611d83adcbda199950969aec03e06b9127d226249313fca5ee5ec5da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2094",
    "kind": "arxiv",
    "version": 1
  }
}