pith. sign in
Pith Number

pith:HQ7QNOKZ

pith:2015:HQ7QNOKZ6MIVCU3PUMGXFJ3VST
not attested not anchored not stored refs pending

Circle incidence theorems

Eberhard M. Schr\"oder, Jan Stevens, J. Chris Fisher

arxiv:1506.00810 v1 · 2015-06-02 · math.MG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HQ7QNOKZ6MIVCU3PUMGXFJ3VST}

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 2026-05-17T23:58:42.718137Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3c3f06b959f31151536fa30d72a77594fc97b482f88f993223bc486ef58648d0

Aliases

arxiv: 1506.00810 · arxiv_version: 1506.00810v1 · doi: 10.48550/arxiv.1506.00810 · pith_short_12: HQ7QNOKZ6MIV · pith_short_16: HQ7QNOKZ6MIVCU3P · pith_short_8: HQ7QNOKZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HQ7QNOKZ6MIVCU3PUMGXFJ3VST \
  | 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: 3c3f06b959f31151536fa30d72a77594fc97b482f88f993223bc486ef58648d0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2c5f37ab1f78144ff8c0ed7b715d91475f16c166a487f63393ea9f68bf67d5eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-06-02T09:31:27Z",
    "title_canon_sha256": "e4537c3c0a0b769ab1b0961ddfac03e12f04cd47e09023342157fc2825109532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00810",
    "kind": "arxiv",
    "version": 1
  }
}