Pith Number

pith:KBHZJIFY

pith:2020:KBHZJIFYH3ZU5VNALUCG5ULPQC

not attested not anchored not stored refs pending

Positivity of Riemann-Roch polynomials and Todd classes of hyperk\"{a}hler manifolds

Chen Jiang

arxiv:2008.04685 v3 · 2020-08-11 · math.AG · math.DG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBHZJIFYH3ZU5VNALUCG5ULPQC}

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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.

Cited by

1 paper in Pith

Numerical invariants of hyper-K\"ahler manifolds

Receipt and verification

First computed	2026-07-05T08:23:05.547165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

504f94a0b83ef34ed5a05d046ed16f80b17160ea7b2106f145177dd0ed2601d3

Aliases

arxiv: 2008.04685 · arxiv_version: 2008.04685v3 · doi: 10.48550/arxiv.2008.04685 · pith_short_12: KBHZJIFYH3ZU · pith_short_16: KBHZJIFYH3ZU5VNA · pith_short_8: KBHZJIFY

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/KBHZJIFYH3ZU5VNALUCG5ULPQC \
  | 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: 504f94a0b83ef34ed5a05d046ed16f80b17160ea7b2106f145177dd0ed2601d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f349734b858866bfa70c37751e2846c9c228f9989e9a840224bd196f67cf0707",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-08-11T13:11:39Z",
    "title_canon_sha256": "4069a9d4a524b35728589454f054478478ded4f3820b0dd5605b549e19454eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04685",
    "kind": "arxiv",
    "version": 3
  }
}