pith. sign in
Pith Number

pith:O7XLXV76

pith:2015:O7XLXV76YT5SYSKKMEBQW7NQ2D
not attested not anchored not stored refs pending

Nodal complete intersection threefold with defect

Remke Kloosterman

arxiv:1503.05420 v1 · 2015-03-18 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O7XLXV76YT5SYSKKMEBQW7NQ2D}

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 2026-05-18T02:21:50.448584Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

77eebbd7fec4fb2c494a61030b7db0d0eba13f681006c5391a989a80a195483f

Aliases

arxiv: 1503.05420 · arxiv_version: 1503.05420v1 · doi: 10.48550/arxiv.1503.05420 · pith_short_12: O7XLXV76YT5S · pith_short_16: O7XLXV76YT5SYSKK · pith_short_8: O7XLXV76
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O7XLXV76YT5SYSKKMEBQW7NQ2D \
  | 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: 77eebbd7fec4fb2c494a61030b7db0d0eba13f681006c5391a989a80a195483f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cedf8a4cfbb4f66d38c686d2f37c1d8e1aa67578a8e383131ad6d3859fbb073e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-03-18T14:05:41Z",
    "title_canon_sha256": "b0fea907d3f4fd302b6226e56ffd140e5ddd245811122b74438ef59469d2f019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05420",
    "kind": "arxiv",
    "version": 1
  }
}