pith. sign in
Pith Number

pith:PK5VU332

pith:2011:PK5VU332BN7RUHFKSC6POWVB7B
not attested not anchored not stored refs pending

Randomization, Sums of Squares, and Faster Real Root Counting for Tetranomials and Beyond

Christopher J. Hillar, Dimitar Popov, J. Maurice Rojas, Osbert Bastani

arxiv:1101.2642 v1 · 2011-01-13 · math.AG · cs.CC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PK5VU332BN7RUHFKSC6POWVB7B}

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 2026-05-18T03:14:30.641140Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7abb5a6f7a0b7f1a1caa90bcf75aa1f86f8312da3479d52add7cc36e197ad6cb

Aliases

arxiv: 1101.2642 · arxiv_version: 1101.2642v1 · doi: 10.48550/arxiv.1101.2642 · pith_short_12: PK5VU332BN7R · pith_short_16: PK5VU332BN7RUHFK · pith_short_8: PK5VU332
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PK5VU332BN7RUHFKSC6POWVB7B \
  | 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: 7abb5a6f7a0b7f1a1caa90bcf75aa1f86f8312da3479d52add7cc36e197ad6cb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4bd68895303c5f9cdef4a4329fe6f3038ff243ee729c30fcd6ab076dc3dd9df0",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-01-13T19:44:50Z",
    "title_canon_sha256": "a0bed28ba2f2bf6d683f169809d4ecdaac12e156bc1b0b2425b43f38a0f12d03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2642",
    "kind": "arxiv",
    "version": 1
  }
}