Pith Number

pith:AB2F4PXJ

pith:2017:AB2F4PXJZQTBUJNKTDDUJPVKIT

not attested not anchored not stored refs pending

Basic Properties of Singular Fractional Order System with order (1,2)

Jie Xu, Junguo Lu, Xiaogang Zhu

arxiv:1704.08423 v1 · 2017-04-27 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AB2F4PXJZQTBUJNKTDDUJPVKIT}

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	2026-05-18T00:45:27.725516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00745e3ee9cc261a25aa98c744beaa44e90f96cb780f4e223835888befb55b71

Aliases

arxiv: 1704.08423 · arxiv_version: 1704.08423v1 · doi: 10.48550/arxiv.1704.08423 · pith_short_12: AB2F4PXJZQTB · pith_short_16: AB2F4PXJZQTBUJNK · pith_short_8: AB2F4PXJ

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/AB2F4PXJZQTBUJNKTDDUJPVKIT \
  | 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: 00745e3ee9cc261a25aa98c744beaa44e90f96cb780f4e223835888befb55b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3249e170807170efc704e5853477cd76901daef3f539143949e20f29ce98e3cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-27T03:58:22Z",
    "title_canon_sha256": "2de785834fbf1be29b8ae4712db9657e71d9fe91aececeba1ca9579616bf5e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08423",
    "kind": "arxiv",
    "version": 1
  }
}