Pith Number

pith:7QNU7BKJ

pith:2011:7QNU7BKJ3LQF2T3IBQUK6SVF7K

not attested not anchored not stored refs pending

Approach of a class of discontinuous dynamical systems of fractional order: existence of the solutions

Marius-F. Danca

arxiv:1103.1233 v1 · 2011-03-07 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QNU7BKJ3LQF2T3IBQUK6SVF7K}

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	2026-05-18T02:02:58.969259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1b4f8549dae05d4f680c28af4aa5fabb02e3281e0cf0e4dbb63a272ac472b1

Aliases

arxiv: 1103.1233 · arxiv_version: 1103.1233v1 · doi: 10.48550/arxiv.1103.1233 · pith_short_12: 7QNU7BKJ3LQF · pith_short_16: 7QNU7BKJ3LQF2T3I · pith_short_8: 7QNU7BKJ

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/7QNU7BKJ3LQF2T3IBQUK6SVF7K \
  | 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: fc1b4f8549dae05d4f680c28af4aa5fabb02e3281e0cf0e4dbb63a272ac472b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daea4e45a8a681911129c0761a3e43d40eaf0b91219f7947b379177f5431220e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2011-03-07T10:47:18Z",
    "title_canon_sha256": "c7ea643c6be76c7d904a4b7849774e09bcbce1b8cbbc1b56ed7be1c951f8ebe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1233",
    "kind": "arxiv",
    "version": 1
  }
}