pith. sign in
Pith Number

pith:FC33W3QH

pith:2015:FC33W3QHRXBCC42YCWOCLE3TIF
not attested not anchored not stored refs pending

The L\"uroth problem

Arnaud Beauville

arxiv:1507.02476 v1 · 2015-07-09 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FC33W3QHRXBCC42YCWOCLE3TIF}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:37:06.622385Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

28b7bb6e078dc2217358159c2593734140128f823dbf96b3d09eaded103a3b7e

Aliases

arxiv: 1507.02476 · arxiv_version: 1507.02476v1 · doi: 10.48550/arxiv.1507.02476 · pith_short_12: FC33W3QHRXBC · pith_short_16: FC33W3QHRXBCC42Y · pith_short_8: FC33W3QH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FC33W3QHRXBCC42YCWOCLE3TIF \
  | 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: 28b7bb6e078dc2217358159c2593734140128f823dbf96b3d09eaded103a3b7e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d429114e63ab424ce3dc9b18360ce2d29076900778d659d0a5820794dc3791ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-09T12:13:19Z",
    "title_canon_sha256": "c6e0ecbc9f2a27e2fe9ffdd548a15c92af858c5f41dd5b188b47f9b207d75703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02476",
    "kind": "arxiv",
    "version": 1
  }
}