Pith Number

pith:WNHIPGOV

pith:2016:WNHIPGOVU4DDDIE6E4RYKUKIS5

not attested not anchored not stored refs pending

Conversion Methods, Block Triangularization, and Structural Analysis of Differential-Algebraic Equation Systems

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

arxiv:1608.06693 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{WNHIPGOVU4DDDIE6E4RYKUKIS5}

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	2026-05-18T01:07:57.716496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b34e8799d5a70631a09e2723855148974f0234e856cce454ff5255f36d0adbf7

Aliases

arxiv: 1608.06693 · arxiv_version: 1608.06693v1 · doi: 10.48550/arxiv.1608.06693 · pith_short_12: WNHIPGOVU4DD · pith_short_16: WNHIPGOVU4DDDIE6 · pith_short_8: WNHIPGOV

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/WNHIPGOVU4DDDIE6E4RYKUKIS5 \
  | 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: b34e8799d5a70631a09e2723855148974f0234e856cce454ff5255f36d0adbf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba93599689d53ebb6155766c103701254ef9e6d830b1ff3555329825f805aed",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2016-08-24T02:32:50Z",
    "title_canon_sha256": "b7042504f43f3e38c2a144577aa2141b71d0908a3c994a2371ef03f1806f6806"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06693",
    "kind": "arxiv",
    "version": 1
  }
}