Pith Number

pith:IWAPUZR2

pith:2015:IWAPUZR2UBW3FZHYJIGBPGVHMY

not attested not anchored not stored refs pending

Rigorous numerics for nonlinear operators with tridiagonal dominant linear part

Jean-Philippe Lessard, Laurent Desvillettes, Maxime Breden

arxiv:1503.06315 v1 · 2015-03-21 · math.DS · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWAPUZR2UBW3FZHYJIGBPGVHMY}

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	2026-05-18T02:20:38.752242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4580fa663aa06db2e4f84a0c179aa7663a2c97c406e189a146a7f61a841bc970

Aliases

arxiv: 1503.06315 · arxiv_version: 1503.06315v1 · doi: 10.48550/arxiv.1503.06315 · pith_short_12: IWAPUZR2UBW3 · pith_short_16: IWAPUZR2UBW3FZHY · pith_short_8: IWAPUZR2

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/IWAPUZR2UBW3FZHYJIGBPGVHMY \
  | 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: 4580fa663aa06db2e4f84a0c179aa7663a2c97c406e189a146a7f61a841bc970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd9ab2263ab2a91491c0e753c009ddf96e8a13dd0177417e2d4624f00a3bfa3",
    "cross_cats_sorted": [
      "math.AP",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-03-21T15:45:18Z",
    "title_canon_sha256": "7a561350390f50db96746842470583b542ebaa18ed02756a84408c0be57544ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06315",
    "kind": "arxiv",
    "version": 1
  }
}