Pith Number

pith:DR66Q6LQ

pith:2005:DR66Q6LQKDYWZZAFAZTTDSIP74

not attested not anchored not stored refs pending

Solving Polynomial Systems Equation by Equation

Andrew J. Sommese, Charles W. Wampler, Jan Verschelde

arxiv:math/0503688 v1 · 2005-03-29 · math.NA · cs.NA · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DR66Q6LQKDYWZZAFAZTTDSIP74}

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	2026-06-03T22:06:16.759903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c7de8797050f16ce405066731c90fff1897f8e431de070aa3d783ff0f2a5f44

Aliases

arxiv: math/0503688 · arxiv_version: math/0503688v1 · doi: 10.48550/arxiv.math/0503688 · pith_short_12: DR66Q6LQKDYW · pith_short_16: DR66Q6LQKDYWZZAF · pith_short_8: DR66Q6LQ

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/DR66Q6LQKDYWZZAFAZTTDSIP74 \
  | 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: 1c7de8797050f16ce405066731c90fff1897f8e431de070aa3d783ff0f2a5f44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17819a69760512cd47242e32b353c21abd49dcee8880e1455fb1cd1e515ed602",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-03-29T16:46:35Z",
    "title_canon_sha256": "51f23dfd7de9f90965eb1d9f355372e8ac03bc527c17519a9b840600a46e81c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503688",
    "kind": "arxiv",
    "version": 1
  }
}