Pith Number

pith:K6UTGQP6

pith:2014:K6UTGQP6HOIP3EJRMCEZP6V6DK

not attested not anchored not stored refs pending

Generalized rational first integrals of analytic differential systems

Jaume Llibre, Wang Cong, Xiang Zhang

arxiv:1407.7948 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{K6UTGQP6HOIP3EJRMCEZP6V6DK}

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	2026-05-18T02:46:14.001618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a93341fe3b90fd9131608997fabe1a8f54d2a4457467a4d77bd99d7539da5d

Aliases

arxiv: 1407.7948 · arxiv_version: 1407.7948v1 · doi: 10.48550/arxiv.1407.7948 · pith_short_12: K6UTGQP6HOIP · pith_short_16: K6UTGQP6HOIP3EJR · pith_short_8: K6UTGQP6

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/K6UTGQP6HOIP3EJRMCEZP6V6DK \
  | 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: 57a93341fe3b90fd9131608997fabe1a8f54d2a4457467a4d77bd99d7539da5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca07c9df7efaca0c4b030787a25a7de536d0218ca5222b7673c37c14ed78443",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-07-30T05:30:41Z",
    "title_canon_sha256": "8b1b8af2b6291136532dfae80977b15b874bfcf179796a604a6d2e78c6e0b3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7948",
    "kind": "arxiv",
    "version": 1
  }
}