pith. sign in
Pith Number

pith:EY6YRR2A

pith:2017:EY6YRR2ARDHMVUGRF54QFRATL3
not attested not anchored not stored refs pending

Positive trace polynomials and the universal Procesi-Schacher conjecture

Igor Klep, Jurij Vol\v{c}i\v{c}, \v{S}pela \v{S}penko

arxiv:1702.01753 v2 · 2017-02-06 · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EY6YRR2ARDHMVUGRF54QFRATL3}

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 2026-05-17T23:56:00.469641Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

263d88c74088cecad0d12f7902c4135ef1406dbcebab0c1b0619b3b86f2ead1d

Aliases

arxiv: 1702.01753 · arxiv_version: 1702.01753v2 · doi: 10.48550/arxiv.1702.01753 · pith_short_12: EY6YRR2ARDHM · pith_short_16: EY6YRR2ARDHMVUGR · pith_short_8: EY6YRR2A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EY6YRR2ARDHMVUGRF54QFRATL3 \
  | 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: 263d88c74088cecad0d12f7902c4135ef1406dbcebab0c1b0619b3b86f2ead1d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a99173a3483d3b40b0fb53d9ea6b5865ce6bd90ad709cbeb928337fb3a362bb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-02-06T19:00:02Z",
    "title_canon_sha256": "bbeb0a1f726f5e87fba02d281dd9e68fe0eec0e7b29a6a0033d068e5c567f16a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01753",
    "kind": "arxiv",
    "version": 2
  }
}