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Pith Number

pith:7HKKRSKU

pith:2015:7HKKRSKUKBMY7YSQAAR75WLEVO
not attested not anchored not stored refs pending

One proof of the original Kemer's theorems (concerning the text of C. Procesi "What happened to PI-theory", arxiv.org/abs/1403.5673)

Irina Sviridova

arxiv:1503.03574 v1 · 2015-03-12 · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7HKKRSKUKBMY7YSQAAR75WLEVO}

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 2026-05-18T02:24:58.125603Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f9d4a8c95450598fe2500023fed964ab9c3c90e8bfcbb42ead80983b46a8af8a

Aliases

arxiv: 1503.03574 · arxiv_version: 1503.03574v1 · doi: 10.48550/arxiv.1503.03574 · pith_short_12: 7HKKRSKUKBMY · pith_short_16: 7HKKRSKUKBMY7YSQ · pith_short_8: 7HKKRSKU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7HKKRSKUKBMY7YSQAAR75WLEVO \
  | 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: f9d4a8c95450598fe2500023fed964ab9c3c90e8bfcbb42ead80983b46a8af8a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "15c188706215d9c4a4544349d2938cddf3e87da33dc5fb54cca415920c9ff4cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-03-12T03:48:37Z",
    "title_canon_sha256": "68d63d62a218fcd81f37fd26610f276fcd712410511d17607e0dc3901e6b5d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03574",
    "kind": "arxiv",
    "version": 1
  }
}