Pith Number

pith:7XM3YAOH

pith:2018:7XM3YAOHVDYUM5OOZMOCSUMS66

not attested not anchored not stored refs pending

Commuting planar polynomial vector fields for conservative Newton systems

Alexey Ovchinnikov, Joel Nagloo, Peter Thompson

arxiv:1802.00831 v1 · 2018-02-02 · math.DS · math.AC · math.CA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XM3YAOHVDYUM5OOZMOCSUMS66}

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	2026-07-05T01:51:35.256302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd9bc01c7a8f14675cecb1c295192f7a2e6101356a0a89c31c2721eeb080942

Aliases

arxiv: 1802.00831 · arxiv_version: 1802.00831v1 · doi: 10.48550/arxiv.1802.00831 · pith_short_12: 7XM3YAOHVDYU · pith_short_16: 7XM3YAOHVDYUM5OO · pith_short_8: 7XM3YAOH

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/7XM3YAOHVDYUM5OOZMOCSUMS66 \
  | 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: fdd9bc01c7a8f14675cecb1c295192f7a2e6101356a0a89c31c2721eeb080942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607e196a5309435fe98d6b5fdd9ddc8432e5f0f7971751fdc4de43d71f0115d7",
    "cross_cats_sorted": [
      "math.AC",
      "math.CA",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-02-02T19:54:33Z",
    "title_canon_sha256": "d7c76fd0bc29c06381096e6e2cb4a1a29f82c0a8ca297b06f908cb0186bfb9f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00831",
    "kind": "arxiv",
    "version": 1
  }
}