Pith Number

pith:3TU54Z2O

pith:2014:3TU54Z2OHHLC35TT2XUFBNVCSX

not attested not anchored not stored refs pending

Graph theory, irreducibility, and structural analysis of differential-algebraic equation systems

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

arxiv:1411.4129 v1 · 2014-11-15 · 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{3TU54Z2OHHLC35TT2XUFBNVCSX}

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	2026-05-18T02:35:46.447479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce9de674e39d62df673d5e850b6a295db2e86534f71f3b2ea9cb61afbb4d2b7

Aliases

arxiv: 1411.4129 · arxiv_version: 1411.4129v1 · doi: 10.48550/arxiv.1411.4129 · pith_short_12: 3TU54Z2OHHLC · pith_short_16: 3TU54Z2OHHLC35TT · pith_short_8: 3TU54Z2O

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/3TU54Z2OHHLC35TT2XUFBNVCSX \
  | 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: dce9de674e39d62df673d5e850b6a295db2e86534f71f3b2ea9cb61afbb4d2b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc7e690553cd5a37863bea8abe2cad8ffc6d98411e981885fe3418b8590899cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-11-15T09:28:02Z",
    "title_canon_sha256": "97200b74ffb1d4fb2679f870bccdc6b446be38a52e49f74593b3948e9d4ab19f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4129",
    "kind": "arxiv",
    "version": 1
  }
}