pith. sign in
Pith Number

pith:Q4QOELWI

pith:2003:Q4QOELWI2IJZYP46BF3PR2U7Q7
not attested not anchored not stored refs pending

Simplicity of generic Steiner bundles

Maria Chiara Brambilla

arxiv:math/0309406 v2 · 2003-09-24 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Q4QOELWI2IJZYP46BF3PR2U7Q7}

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 2026-05-18T04:23:10.924246Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8720e22ec8d2139c3f9e0976f8ea9f87d1c53a3eadeb5a9a5e79741b0dd479c4

Aliases

arxiv: math/0309406 · arxiv_version: math/0309406v2 · doi: 10.48550/arxiv.math/0309406 · pith_short_12: Q4QOELWI2IJZ · pith_short_16: Q4QOELWI2IJZYP46 · pith_short_8: Q4QOELWI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q4QOELWI2IJZYP46BF3PR2U7Q7 \
  | 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: 8720e22ec8d2139c3f9e0976f8ea9f87d1c53a3eadeb5a9a5e79741b0dd479c4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f1b694a3b855a94c9b8d94dd60e45fd32299a9f6f8d9bb93cb7e7bc4fe9b9da2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2003-09-24T16:20:12Z",
    "title_canon_sha256": "2187f27fb1e323c761729ee750da5879e1ac1ea30d9f1e1e8aeea9569ea03475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309406",
    "kind": "arxiv",
    "version": 2
  }
}