Pith Number

pith:YYOLQNXU

pith:2014:YYOLQNXUC77XQOWQ3W3T6UAMNK

not attested not anchored not stored refs pending

Analytic normalization of analytically integrable differential systems near a periodic orbit

Kesheng Wu, Xiang Zhang

arxiv:1407.7944 v1 · 2014-07-30 · math.CA · 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{YYOLQNXUC77XQOWQ3W3T6UAMNK}

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	2026-05-18T02:46:14.043630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c61cb836f417ff783ad0ddb73f500c6aabd8c59921683d2985d97bef9ff9e8d0

Aliases

arxiv: 1407.7944 · arxiv_version: 1407.7944v1 · doi: 10.48550/arxiv.1407.7944 · pith_short_12: YYOLQNXUC77X · pith_short_16: YYOLQNXUC77XQOWQ · pith_short_8: YYOLQNXU

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/YYOLQNXUC77XQOWQ3W3T6UAMNK \
  | 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: c61cb836f417ff783ad0ddb73f500c6aabd8c59921683d2985d97bef9ff9e8d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85dc8ebfd947ce4d983f12224a0b6ac86525f1a51d5d14b7d1c9dbd4a01f0643",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-07-30T05:08:58Z",
    "title_canon_sha256": "0d89cef12c3bfbb3bed1c64e46bee49b618bf9d59c96d9364c7e87fbca6f73e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7944",
    "kind": "arxiv",
    "version": 1
  }
}