Pith Number

pith:SQRKG3QR

pith:2016:SQRKG3QRG75A26LCZRXSRUYYB2

not attested not anchored not stored refs pending

The two-dimensional Jacobian conjecture and the lower side of the Newton polygon

Christian Valqui, Jorge A. Guccione, Juan J. Guccione

arxiv:1605.09430 v2 · 2016-05-30 · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQRKG3QRG75A26LCZRXSRUYYB2}

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	2026-05-18T00:36:24.740052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9422a36e1137fa0d7962cc6f28d3180e89d17c3cf697f5b2609e5348b330b745

Aliases

arxiv: 1605.09430 · arxiv_version: 1605.09430v2 · doi: 10.48550/arxiv.1605.09430 · pith_short_12: SQRKG3QRG75A · pith_short_16: SQRKG3QRG75A26LC · pith_short_8: SQRKG3QR

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/SQRKG3QRG75A26LCZRXSRUYYB2 \
  | 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: 9422a36e1137fa0d7962cc6f28d3180e89d17c3cf697f5b2609e5348b330b745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2ff21d52d5d0c510d2c769cefa20e5cdb4bf18b088a5f8f985a4cf5cd0a0cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-05-30T21:58:33Z",
    "title_canon_sha256": "75b594cc1e03ba848b3ca576e7b9e773cf15b2cfd307110f385b573698b05409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09430",
    "kind": "arxiv",
    "version": 2
  }
}