Pith Number

pith:73TX2UB3

pith:2026:73TX2UB3ZJ2FV4PWJB37UVX2E6

not attested not anchored not stored refs pending

On the degeneration of Kovalevskaya exponents of Laurent series solutions of quasi-homogeneous vector fields

Hayato Chiba

arxiv:2602.00925 v2 · 2026-01-31 · 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{73TX2UB3ZJ2FV4PWJB37UVX2E6}

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	2026-06-09T02:07:18.861214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee77d503bca745af1f64877fa56fa279b3f398030fcfb22eb122bf8b6115a51

Aliases

arxiv: 2602.00925 · arxiv_version: 2602.00925v2 · doi: 10.48550/arxiv.2602.00925 · pith_short_12: 73TX2UB3ZJ2F · pith_short_16: 73TX2UB3ZJ2FV4PW · pith_short_8: 73TX2UB3

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/73TX2UB3ZJ2FV4PWJB37UVX2E6 \
  | 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: fee77d503bca745af1f64877fa56fa279b3f398030fcfb22eb122bf8b6115a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456a82e97f25c7135f88ee65c9620aceb08a98dac1f3d7d38d513d6bd2f7d716",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2026-01-31T22:50:32Z",
    "title_canon_sha256": "13aa12300353e01587e656b37931d28565a23c97135b4b08e4b31ac2b984aeb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.00925",
    "kind": "arxiv",
    "version": 2
  }
}