Pith Number

pith:FKLWNF3L

pith:2014:FKLWNF3LRS65QSX54NS5WQZAG2

not attested not anchored not stored refs pending

Structural index reduction algorithms for differential algebraic equations via fixed-point iteration

Juan Tang, Wenyuan Wu, Xiaolin Qin, Yong Feng

arxiv:1406.4473 v3 · 2014-06-13 · cs.NA · 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{FKLWNF3LRS65QSX54NS5WQZAG2}

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	2026-05-18T02:30:54.906834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9766976b8cbdd84afde365db432036a1cf6feb01d26d9b16a7ef72bf9a7340

Aliases

arxiv: 1406.4473 · arxiv_version: 1406.4473v3 · doi: 10.48550/arxiv.1406.4473 · pith_short_12: FKLWNF3LRS65 · pith_short_16: FKLWNF3LRS65QSX5 · pith_short_8: FKLWNF3L

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/FKLWNF3LRS65QSX54NS5WQZAG2 \
  | 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: 2a9766976b8cbdd84afde365db432036a1cf6feb01d26d9b16a7ef72bf9a7340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d426dc2f5b3196670672175836b0057901d1a016e6ffd69120378f7e590885f3",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-06-13T14:51:56Z",
    "title_canon_sha256": "04826b2470ffce00131b72dde957ac84c60a6c1f76093bde78ccf82020341577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4473",
    "kind": "arxiv",
    "version": 3
  }
}