pith. sign in
Pith Number

pith:F75QZ4VI

pith:2013:F75QZ4VI7TWU4TPUT3EA5IHYQ6
not attested not anchored not stored refs pending

Normalization of Polynomials in Algebraic Invariants of Three-Dimensional Orthogonal Geometry

Hongbo Li

arxiv:1302.7194 v1 · 2013-02-27 · cs.SC · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F75QZ4VI7TWU4TPUT3EA5IHYQ6}

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 2026-05-18T03:32:16.461761Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2ffb0cf2a8fced4e4df49ec80ea0f887861b88b04af40f6160e9ad0bb15a84a9

Aliases

arxiv: 1302.7194 · arxiv_version: 1302.7194v1 · doi: 10.48550/arxiv.1302.7194 · pith_short_12: F75QZ4VI7TWU · pith_short_16: F75QZ4VI7TWU4TPU · pith_short_8: F75QZ4VI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F75QZ4VI7TWU4TPUT3EA5IHYQ6 \
  | 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: 2ffb0cf2a8fced4e4df49ec80ea0f887861b88b04af40f6160e9ad0bb15a84a9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b83150d2dc9b76c45a2ea001111127e7156fb9b686e3967c70cb8e19279fa6ca",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-02-27T05:59:29Z",
    "title_canon_sha256": "a734dc5dfbdf4b83b1be7fe6d4e43bd55e1bdec56f9353de66c76a3296646a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7194",
    "kind": "arxiv",
    "version": 1
  }
}