Pith Number

pith:7F2ELP2U

pith:2017:7F2ELP2ULC2GZD7KZRSK67DRVF

not attested not anchored not stored refs pending

Spectra of quadratic vector fields on $\mathbb{C}^2$: The missing relation

Valente Ram\'irez, Yury Kudryashov

arxiv:1705.06340 v2 · 2017-05-17 · math.CV · 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{7F2ELP2ULC2GZD7KZRSK67DRVF}

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	2026-05-18T00:19:35.756262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97445bf5458b46c8feacc64af7c71a9729a79fe67fe0ff1993c91a1521cd36c

Aliases

arxiv: 1705.06340 · arxiv_version: 1705.06340v2 · doi: 10.48550/arxiv.1705.06340 · pith_short_12: 7F2ELP2ULC2G · pith_short_16: 7F2ELP2ULC2GZD7K · pith_short_8: 7F2ELP2U

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/7F2ELP2ULC2GZD7KZRSK67DRVF \
  | 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: f97445bf5458b46c8feacc64af7c71a9729a79fe67fe0ff1993c91a1521cd36c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "177007bdae57fd96bd22e20295b3a95c05e557a8ba827ea307553b764a5cae38",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-05-17T20:33:55Z",
    "title_canon_sha256": "193ed725549f654223fe175adf424bab9584fda720c6823df40c50c022593faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06340",
    "kind": "arxiv",
    "version": 2
  }
}