Pith Number

pith:LKI225UO

pith:2015:LKI225UOVXNIZVG7DUG2HY4FRH

not attested not anchored not stored refs pending

Analytic integrability of two lopsided systems

Li Feng, Liu Yirong, Yu Pei

arxiv:1506.01576 v1 · 2015-06-04 · 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{LKI225UOVXNIZVG7DUG2HY4FRH}

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	2026-05-18T01:01:01.560885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a91ad768eadda8cd4df1d0da3e38589ed93fa595e451ad7b17be2efe457ccfb

Aliases

arxiv: 1506.01576 · arxiv_version: 1506.01576v1 · doi: 10.48550/arxiv.1506.01576 · pith_short_12: LKI225UOVXNI · pith_short_16: LKI225UOVXNIZVG7 · pith_short_8: LKI225UO

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/LKI225UOVXNIZVG7DUG2HY4FRH \
  | 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: 5a91ad768eadda8cd4df1d0da3e38589ed93fa595e451ad7b17be2efe457ccfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4338e3c3badcd4c5db55cb45aff6f21d0faaaca7cdfd6e1250e3877ba800022",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-06-04T13:14:07Z",
    "title_canon_sha256": "81c59fe798d487c5c7b9df25c6954b417856affed46125d66f33047918fbf80e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01576",
    "kind": "arxiv",
    "version": 1
  }
}