Pith Number

pith:ZF4LSOM7

pith:2019:ZF4LSOM7DUEVXF63NGTUWWRXFE

not attested not anchored not stored refs pending

Algebraic cycles on hyperplane sections of hypersurfaces in $\mathbb P^n$ for $n=5,6$

Kalyan Banerjee

arxiv:1906.10723 v1 · 2019-06-25 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZF4LSOM7DUEVXF63NGTUWWRXFE}

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	2026-05-17T23:42:14.960114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c978b9399f1d095b97db69a74b5a3729360325a835c730d91c7e697b96ddba2b

Aliases

arxiv: 1906.10723 · arxiv_version: 1906.10723v1 · doi: 10.48550/arxiv.1906.10723 · pith_short_12: ZF4LSOM7DUEV · pith_short_16: ZF4LSOM7DUEVXF63 · pith_short_8: ZF4LSOM7

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/ZF4LSOM7DUEVXF63NGTUWWRXFE \
  | 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: c978b9399f1d095b97db69a74b5a3729360325a835c730d91c7e697b96ddba2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b728b51fad2432da912127bf15e063ba2b5b80b97de6911e209e7caeb66d1e",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-06-25T18:51:21Z",
    "title_canon_sha256": "6066b254ba4ac4796fd0a033094bc9a53b67aaf4b8e4d3a1436f77d9706322d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10723",
    "kind": "arxiv",
    "version": 1
  }
}