Pith Number

pith:SYQRKES3

pith:2013:SYQRKES3MB47NFW3OV6IEBKIP7

not attested not anchored not stored refs pending

From Approximate Factorization to Root Isolation with Application to Cylindrical Algebraic Decomposition

Kurt Mehlhorn, Michael Sagraloff, Pengming Wang

arxiv:1301.4870 v2 · 2013-01-21 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYQRKES3MB47NFW3OV6IEBKIP7}

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	2026-05-18T03:01:24.442641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

962115125b6079f696db757c8205487fe4780d747891de8b5249ae1cdb2f4d88

Aliases

arxiv: 1301.4870 · arxiv_version: 1301.4870v2 · doi: 10.48550/arxiv.1301.4870 · pith_short_12: SYQRKES3MB47 · pith_short_16: SYQRKES3MB47NFW3 · pith_short_8: SYQRKES3

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/SYQRKES3MB47NFW3OV6IEBKIP7 \
  | 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: 962115125b6079f696db757c8205487fe4780d747891de8b5249ae1cdb2f4d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7057c9a87cbb51f90e43e8e97e2f2ccd86af49d2ed55a85efef7f11a04cbb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-01-21T14:14:07Z",
    "title_canon_sha256": "a6059bb076183d794b03a7abfee64bb8c4c075fdb43c0d238bc29b031d0eaa3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4870",
    "kind": "arxiv",
    "version": 2
  }
}