Pith Number

pith:QCKH5ARL

pith:2016:QCKH5ARLN4KE4K4GGVZT3TYZXL

not attested not anchored not stored refs pending

Two-dimensional isochronous nonstandard Hamiltonian systems

A. Durga Devi, M. Lakshmanan, R. Gladwin Pradeep, V. K. Chandrasekar

arxiv:1610.05456 v1 · 2016-10-18 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCKH5ARLN4KE4K4GGVZT3TYZXL}

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	2026-05-18T01:01:59.261890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80947e822b6f144e2b8635733dcf19bad102c6938b5a2fef40a8a7b340f82315

Aliases

arxiv: 1610.05456 · arxiv_version: 1610.05456v1 · doi: 10.48550/arxiv.1610.05456 · pith_short_12: QCKH5ARLN4KE · pith_short_16: QCKH5ARLN4KE4K4G · pith_short_8: QCKH5ARL

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/QCKH5ARLN4KE4K4GGVZT3TYZXL \
  | 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: 80947e822b6f144e2b8635733dcf19bad102c6938b5a2fef40a8a7b340f82315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b202805bd3b99db654f67a507407f94f7157444f8aafeb87d1b31ee13ecd2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2016-10-18T07:05:30Z",
    "title_canon_sha256": "4509c39e790e96c6b9c0ff380bd9e8eb8533eb7295c32503c47101ba76523a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05456",
    "kind": "arxiv",
    "version": 1
  }
}