Pith Number

pith:P6GCM7MR

pith:2018:P6GCM7MRMO6COTJRVCWY3YZKA6

not attested not anchored not stored refs pending

Nonlinear multivalued Duffing systems

Calogero Vetro, Francesca Vetro, Nikolaos S. Papageorgiou

arxiv:1804.11070 v1 · 2018-04-30 · math.CA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6GCM7MRMO6COTJRVCWY3YZKA6}

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	2026-05-18T00:17:14.713109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f8c267d9163bc274d31a8ad8de32a078e317b4054a5296ae2cb5b4ce6a565c8

Aliases

arxiv: 1804.11070 · arxiv_version: 1804.11070v1 · doi: 10.48550/arxiv.1804.11070 · pith_short_12: P6GCM7MRMO6C · pith_short_16: P6GCM7MRMO6COTJR · pith_short_8: P6GCM7MR

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/P6GCM7MRMO6COTJRVCWY3YZKA6 \
  | 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: 7f8c267d9163bc274d31a8ad8de32a078e317b4054a5296ae2cb5b4ce6a565c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ae5d3b65dc55098bc904233cda9c9df319c538d52ac9f176dfc644b6375a0c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-04-30T07:58:55Z",
    "title_canon_sha256": "bfdfeef2391dfd7f5a6d223e5cdff5350ff61289719b989ddb9e2a6c54c31f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11070",
    "kind": "arxiv",
    "version": 1
  }
}