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Pith Number

pith:EVZ3QN4M

pith:2013:EVZ3QN4MQNR6FPLCKG4IB56VC6
not attested not anchored not stored refs pending

On the roots of $\sigma$-polynomials

Aysel Erey, Jason Brown

arxiv:1311.6426 v2 · 2013-11-25 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EVZ3QN4MQNR6FPLCKG4IB56VC6}

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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 2026-05-18T00:36:41.823572Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2573b8378c8363e2bd6251b880f7d517aece632851cfbd95562ebf2402b843f5

Aliases

arxiv: 1311.6426 · arxiv_version: 1311.6426v2 · doi: 10.48550/arxiv.1311.6426 · pith_short_12: EVZ3QN4MQNR6 · pith_short_16: EVZ3QN4MQNR6FPLC · pith_short_8: EVZ3QN4M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EVZ3QN4MQNR6FPLCKG4IB56VC6 \
  | 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: 2573b8378c8363e2bd6251b880f7d517aece632851cfbd95562ebf2402b843f5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2a60f082db1c99114fe61df4579ec8b7ac178f638729a943d029e0469b1e65d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-25T20:04:53Z",
    "title_canon_sha256": "2fd607b4b04eb0bbcac12db4b8a42da805f60c13617d8b04b8038a0836e2d340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6426",
    "kind": "arxiv",
    "version": 2
  }
}