Pith Number

pith:4R2R5RRS

pith:2014:4R2R5RRSLWZHCZE6GBB5BXUU2P

not attested not anchored not stored refs pending

Real root finding for determinants of linear matrices

Didier Henrion, Mohab Safey El Din, Simone Naldi

arxiv:1412.5873 v1 · 2014-12-18 · cs.SC · 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{4R2R5RRSLWZHCZE6GBB5BXUU2P}

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	2026-05-18T02:30:56.166971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4751ec6325db271649e3043d0de94d3e2e1ac7bd3ae1fbaf991ce7cc4c1126d

Aliases

arxiv: 1412.5873 · arxiv_version: 1412.5873v1 · doi: 10.48550/arxiv.1412.5873 · pith_short_12: 4R2R5RRSLWZH · pith_short_16: 4R2R5RRSLWZHCZE6 · pith_short_8: 4R2R5RRS

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/4R2R5RRSLWZHCZE6GBB5BXUU2P \
  | 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: e4751ec6325db271649e3043d0de94d3e2e1ac7bd3ae1fbaf991ce7cc4c1126d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc61ec5744191a34af1d733e563e8823a7e18834f3654de37ecf51a07b4b1033",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2014-12-18T14:28:36Z",
    "title_canon_sha256": "f8be075f8a92dbdbc82aaf0c480cec5a519f7ae2aca6fccb482c97b2630c262b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5873",
    "kind": "arxiv",
    "version": 1
  }
}