pith. sign in
Pith Number

pith:63SQRCCX

pith:2016:63SQRCCXDW7KVF2M5B5PNW42A7
not attested not anchored not stored refs pending

The three cusps conjecture

St\'ephane Guillermou

arxiv:1603.07876 v1 · 2016-03-25 · math.SG · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{63SQRCCXDW7KVF2M5B5PNW42A7}

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 2026-05-18T01:18:16.009077Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f6e50888571dbeaa974ce87af6db9a07eea6d08fffb881b3144e0534cb75e34e

Aliases

arxiv: 1603.07876 · arxiv_version: 1603.07876v1 · doi: 10.48550/arxiv.1603.07876 · pith_short_12: 63SQRCCXDW7K · pith_short_16: 63SQRCCXDW7KVF2M · pith_short_8: 63SQRCCX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/63SQRCCXDW7KVF2M5B5PNW42A7 \
  | 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: f6e50888571dbeaa974ce87af6db9a07eea6d08fffb881b3144e0534cb75e34e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7a90ca253e31c108ef50a44de5ed924449d2190b4cb6c2a73bc13e9696b986e1",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-03-25T10:59:04Z",
    "title_canon_sha256": "f5330e6cc5010d41c35632f10ebae615ed10d12331937ff085d728bb0492e5fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07876",
    "kind": "arxiv",
    "version": 1
  }
}