Pith Number

pith:WK63PWW2

pith:2016:WK63PWW2D2YJ3NKZ4OPJJKSMID

not attested not anchored not stored refs pending

Conversion Methods for Improving Structural Analysis of Differential-Algebraic Equation Systems

Guangning Tan, John D. Pryce, Nedialko S. Nedialkov

arxiv:1608.06691 v1 · 2016-08-24 · cs.SC · 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{WK63PWW2D2YJ3NKZ4OPJJKSMID}

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	2026-05-18T01:07:57.722898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2bdb7dada1eb09db559e39e94aa4c40ed09fa973d889b0438ed3f913b78b97e

Aliases

arxiv: 1608.06691 · arxiv_version: 1608.06691v1 · doi: 10.48550/arxiv.1608.06691 · pith_short_12: WK63PWW2D2YJ · pith_short_16: WK63PWW2D2YJ3NKZ · pith_short_8: WK63PWW2

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/WK63PWW2D2YJ3NKZ4OPJJKSMID \
  | 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: b2bdb7dada1eb09db559e39e94aa4c40ed09fa973d889b0438ed3f913b78b97e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a67df0e44da1f8c0fd7b1f0dc88a3e92a26b6afe6d6930f9b9a643141ad96d5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2016-08-24T02:20:55Z",
    "title_canon_sha256": "8926bfd57b36650599681fbe28fd295206a0e5c63c06d421c166d1547431cb7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06691",
    "kind": "arxiv",
    "version": 1
  }
}