Pith Number

pith:NAAZYTIT

pith:2016:NAAZYTITD67C2GQIKEBS2ABY6U

not attested not anchored not stored refs pending

Algebraic cycles on the Fano variety of lines of a cubic fourfold

Kalyan Banerjee

arxiv:1609.05627 v2 · 2016-09-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAAZYTITD67C2GQIKEBS2ABY6U}

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	2026-05-18T00:18:09.904293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68019c4d131fbe2d1a0851032d0038f51c444fb0958c3a3d9f7f8fd6ab8a5b30

Aliases

arxiv: 1609.05627 · arxiv_version: 1609.05627v2 · doi: 10.48550/arxiv.1609.05627 · pith_short_12: NAAZYTITD67C · pith_short_16: NAAZYTITD67C2GQI · pith_short_8: NAAZYTIT

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/NAAZYTITD67C2GQIKEBS2ABY6U \
  | 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: 68019c4d131fbe2d1a0851032d0038f51c444fb0958c3a3d9f7f8fd6ab8a5b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c88625e86a4c1a39424028d86f9fbb947f669f6782f4387c892a93171b80c956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-19T08:08:39Z",
    "title_canon_sha256": "00837e16b2ffa8dd97da1d9fb803e8bd1125c6b95e044fc5b0d9cc9924d0a0a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05627",
    "kind": "arxiv",
    "version": 2
  }
}