pith. sign in
Pith Number

pith:XUDLTFJU

pith:2015:XUDLTFJUD6I56IL4GI67WRLG3T
not attested not anchored not stored refs pending

Further explorations of Boyd's conjectures and a conductor 21 elliptic curve

Detchat Samart, Matilde Lal\'in, Wadim Zudilin

arxiv:1507.08743 v2 · 2015-07-31 · math.NT · math.AG · math.CA · math.KT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XUDLTFJUD6I56IL4GI67WRLG3T}

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 2026-05-18T01:17:52.608852Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bd06b995341f91df217c323dfb4566dcf0335bdf56d15f3247e4c85f2c6f4abc

Aliases

arxiv: 1507.08743 · arxiv_version: 1507.08743v2 · doi: 10.48550/arxiv.1507.08743 · pith_short_12: XUDLTFJUD6I5 · pith_short_16: XUDLTFJUD6I56IL4 · pith_short_8: XUDLTFJU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XUDLTFJUD6I56IL4GI67WRLG3T \
  | 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: bd06b995341f91df217c323dfb4566dcf0335bdf56d15f3247e4c85f2c6f4abc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ae1737e859d6ea35079b120f18016065538e886abafd803c8f3c88d36122b64c",
    "cross_cats_sorted": [
      "math.AG",
      "math.CA",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-07-31T03:35:34Z",
    "title_canon_sha256": "b9dbc16174c2721516b0a34ed5030f50b949c4b862966da3a8f845eb51898aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08743",
    "kind": "arxiv",
    "version": 2
  }
}