Pith Number

pith:HM32ZANC

pith:2009:HM32ZANCXEAWS5N7M2MIES4ZWS

not attested not anchored not stored refs pending

Bi-presymplectic chains of co-rank one and related Liouville integrable systems

Kostyantyn Zheltukhin, Maciej B{\l}aszak, Metin G\"urses

arxiv:0905.4587 v1 · 2009-05-28 · 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{HM32ZANCXEAWS5N7M2MIES4ZWS}

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	2026-05-18T02:13:31.284365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b37ac81a2b9016975bf6698824b99b4ac6a74f8bab3b485eb83668304d5aaa3

Aliases

arxiv: 0905.4587 · arxiv_version: 0905.4587v1 · doi: 10.48550/arxiv.0905.4587 · pith_short_12: HM32ZANCXEAW · pith_short_16: HM32ZANCXEAWS5N7 · pith_short_8: HM32ZANC

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/HM32ZANCXEAWS5N7M2MIES4ZWS \
  | 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: 3b37ac81a2b9016975bf6698824b99b4ac6a74f8bab3b485eb83668304d5aaa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b3b2e293af10636d4b9af63361440857f274cced2ea3b2bb85bb6f112efec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-05-28T09:29:17Z",
    "title_canon_sha256": "1f8fadf9a44d347cfaa2010315cad601bbfc196ee58360065533200bf66ef1e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4587",
    "kind": "arxiv",
    "version": 1
  }
}