Pith Number

pith:YRSV6ABF

pith:2026:YRSV6ABF52EMZ6J5NFOST2VIPX

not attested not anchored not stored refs pending

The Hamiltonian Normal Form

Duco van Straten, Mauricio Garay

arxiv:2605.20909 v1 · 2026-05-20 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRSV6ABF52EMZ6J5NFOST2VIPX}

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	2026-05-21T01:05:27.451159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4655f0025ee88ccf93d695d29eaa87dc22e716de10cd93ebe5c7b9fb13589c9

Aliases

arxiv: 2605.20909 · arxiv_version: 2605.20909v1 · doi: 10.48550/arxiv.2605.20909 · pith_short_12: YRSV6ABF52EM · pith_short_16: YRSV6ABF52EMZ6J5 · pith_short_8: YRSV6ABF

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/YRSV6ABF52EMZ6J5NFOST2VIPX \
  | 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: c4655f0025ee88ccf93d695d29eaa87dc22e716de10cd93ebe5c7b9fb13589c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b59ed3867605f3f5ca45b72ea7b6aabc5c25e856c8ae680def967f0e5e53eca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2026-05-20T08:54:40Z",
    "title_canon_sha256": "c33fd82a5c293b5b948876713e9bd2ca591c296f57e366abd0a38832bc32ae4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20909",
    "kind": "arxiv",
    "version": 1
  }
}