Pith Number

pith:TMO4DODE

pith:2020:TMO4DODED77VHTIG7DYFB243HA

not attested not anchored not stored refs pending

Hirzebruch-Riemann-Roch and Lefschetz type formulas for finite dimensional algebras

Yang Han

arxiv:2008.11457 v2 · 2020-08-26 · math.RT · math.KT · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMO4DODED77VHTIG7DYFB243HA}

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	2026-07-05T01:33:22.640904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b1dc1b8641fff53cd06f8f050eb9b383e673685c69f43bb29cf9d3768dfeadd

Aliases

arxiv: 2008.11457 · arxiv_version: 2008.11457v2 · doi: 10.48550/arxiv.2008.11457 · pith_short_12: TMO4DODED77V · pith_short_16: TMO4DODED77VHTIG · pith_short_8: TMO4DODE

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/TMO4DODED77VHTIG7DYFB243HA \
  | 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: 9b1dc1b8641fff53cd06f8f050eb9b383e673685c69f43bb29cf9d3768dfeadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f43833f8797dbbb6bdec33ed4c68c192532075104c1cbcabeecf9eefa0de272",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2020-08-26T09:17:33Z",
    "title_canon_sha256": "609661dcf8b266c9d730cd064049f06791de8b317810bfe6aac00547525b6a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11457",
    "kind": "arxiv",
    "version": 2
  }
}