pith. sign in
Pith Number

pith:4DF2F4WJ

pith:2017:4DF2F4WJJZN56RXUWU4TR2UMYI
not attested not anchored not stored refs pending

Enumeration of Seidel matrices

Ferenc Sz\"oll\H{o}si, Patric R.J. \"Osterg{\aa}rd

arxiv:1703.02943 v1 · 2017-03-08 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4DF2F4WJJZN56RXUWU4TR2UMYI}

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 2026-05-18T00:49:05.262948Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e0cba2f2c94e5bdf46f4b53938ea8cc217c3dbd531e86acf09c8e821dd9fc1f2

Aliases

arxiv: 1703.02943 · arxiv_version: 1703.02943v1 · doi: 10.48550/arxiv.1703.02943 · pith_short_12: 4DF2F4WJJZN5 · pith_short_16: 4DF2F4WJJZN56RXU · pith_short_8: 4DF2F4WJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4DF2F4WJJZN56RXUWU4TR2UMYI \
  | 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: e0cba2f2c94e5bdf46f4b53938ea8cc217c3dbd531e86acf09c8e821dd9fc1f2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "53a0469d17b2785d668652c2c8206704b899061c3e7791b2568d6121c96a64b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-08T18:00:17Z",
    "title_canon_sha256": "7076f243e5df1fab335f9948c7154bf5d12bec78ffc3e9f485cff334ea4a96a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02943",
    "kind": "arxiv",
    "version": 1
  }
}