Pith Number

pith:JVHFTTAB

pith:2019:JVHFTTABJXLIBRTB4N3XB4MPSV

not attested not anchored not stored refs pending

A remark on algebraic cycles on cubic fourfolds

Kalyan Banerjee

arxiv:1908.04576 v1 · 2019-08-13 · 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{JVHFTTABJXLIBRTB4N3XB4MPSV}

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	2026-07-04T23:55:14.867154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d4e59cc014dd680c661e37770f18f955eeb9bf4a591233431bf6db9ca45f0d5

Aliases

arxiv: 1908.04576 · arxiv_version: 1908.04576v1 · doi: 10.48550/arxiv.1908.04576 · pith_short_12: JVHFTTABJXLI · pith_short_16: JVHFTTABJXLIBRTB · pith_short_8: JVHFTTAB

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/JVHFTTABJXLIBRTB4N3XB4MPSV \
  | 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: 4d4e59cc014dd680c661e37770f18f955eeb9bf4a591233431bf6db9ca45f0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3a37de51bed28a17046a889d3725772d9776944a38dddd6763f274065b6e5d",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-13T11:07:41Z",
    "title_canon_sha256": "69db3b55f06030f587fe23a5ad412301b60b7bebd4296911c9fb18b3b0b0795b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04576",
    "kind": "arxiv",
    "version": 1
  }
}