Pith Number

pith:RWGTQUVE

pith:2020:RWGTQUVEIXFM5PXLDZT4LKDCCS

not attested not anchored not stored refs pending

Dirac Assisted Tree Method for 1D Heterogeneous Helmholtz Equations with Arbitrary Variable Wave Numbers

Bin Han, Michelle Michelle, Yau Shu Wong

arxiv:2011.01295 v2 · 2020-11-02 · 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{RWGTQUVEIXFM5PXLDZT4LKDCCS}

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	2026-07-05T03:08:43.270082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8d3852a445cacebeeb1e67c5a86214b34f3d676bf85f0fa5d0c18ce347aff0

Aliases

arxiv: 2011.01295 · arxiv_version: 2011.01295v2 · doi: 10.48550/arxiv.2011.01295 · pith_short_12: RWGTQUVEIXFM · pith_short_16: RWGTQUVEIXFM5PXL · pith_short_8: RWGTQUVE

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/RWGTQUVEIXFM5PXLDZT4LKDCCS \
  | 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: 8d8d3852a445cacebeeb1e67c5a86214b34f3d676bf85f0fa5d0c18ce347aff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340c185b7642d3e0bcef88239bae234b8b00bb63ff733175a6d8b7a79e21f96c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-11-02T20:27:16Z",
    "title_canon_sha256": "21ad0788e1b4c4ccfc1d303f2e94b70b2dd4166e04921b9d5d4263c98422fbc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.01295",
    "kind": "arxiv",
    "version": 2
  }
}