Pith Number

pith:4WIBV73Q

pith:2014:4WIBV73QRUVX4IRQMD7AE7VPSU

not attested not anchored not stored refs pending

A high-order scheme for solving wave propagation problems via the direct construction of an approximate time-evolution operator

B. A. Wingate, P. G. Martinsson, T. Babb, T. S. Haut

arxiv:1402.5168 v1 · 2014-02-20 · math.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{4WIBV73QRUVX4IRQMD7AE7VPSU}

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	2026-05-18T02:58:22.941688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5901aff708d2b7e223060fe027eaf95019cdb204eb56154fa65ecb2925abd2d

Aliases

arxiv: 1402.5168 · arxiv_version: 1402.5168v1 · doi: 10.48550/arxiv.1402.5168 · pith_short_12: 4WIBV73QRUVX · pith_short_16: 4WIBV73QRUVX4IRQ · pith_short_8: 4WIBV73Q

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/4WIBV73QRUVX4IRQMD7AE7VPSU \
  | 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: e5901aff708d2b7e223060fe027eaf95019cdb204eb56154fa65ecb2925abd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e4d78f018dcab1d40ece11bee7011591a01a7ab01f834891c120a836a53892",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-02-20T23:12:37Z",
    "title_canon_sha256": "c295d8f794ad34385a1c31baeacc5466d7c6d6c64b28b5a47b02f6bafd9e11f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5168",
    "kind": "arxiv",
    "version": 1
  }
}