Pith Number

pith:TIXVTKUP

pith:2009:TIXVTKUPF7YKXOJ55DQK2SI7JS

not attested not anchored not stored refs pending

Convergence of numerical schemes for short wave long wave interaction equations

M\'ario Figueira, Paulo Amorim

arxiv:0912.2027 v2 · 2009-12-10 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIXVTKUPF7YKXOJ55DQK2SI7JS}

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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	2026-05-18T04:03:07.556745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a2f59aa8f2ff0abb93de8e0ad491f4caf47d9b7d04af0e4330569de7ee439d6

Aliases

arxiv: 0912.2027 · arxiv_version: 0912.2027v2 · doi: 10.48550/arxiv.0912.2027 · pith_short_12: TIXVTKUPF7YK · pith_short_16: TIXVTKUPF7YKXOJ5 · pith_short_8: TIXVTKUP

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/TIXVTKUPF7YKXOJ55DQK2SI7JS \
  | 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: 9a2f59aa8f2ff0abb93de8e0ad491f4caf47d9b7d04af0e4330569de7ee439d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9da37cb3a056e3a6fd528463883bd53bd252b94a3b451e985da282b491d2ad1",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-12-10T15:59:22Z",
    "title_canon_sha256": "02820de8dd53a21d1f1e35ac332663de62cc0d1a2ed7460f50285aa8bdf9a32e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2027",
    "kind": "arxiv",
    "version": 2
  }
}