Pith Number

pith:SC6DVQ65

pith:2019:SC6DVQ65T3CKNETYZK3MWNE6DO

not attested not anchored not stored refs pending

Relationships Between Six Incircles

Stanley Rabinowitz

arxiv:1908.02151 v2 · 2019-08-04 · math.HO · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SC6DVQ65T3CKNETYZK3MWNE6DO}

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	2026-07-05T00:01:02.938705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90bc3ac3dd9ec4a69278cab6cb349e1b85c7df5c1bc10664b8982f1937e847fa

Aliases

arxiv: 1908.02151 · arxiv_version: 1908.02151v2 · doi: 10.48550/arxiv.1908.02151 · pith_short_12: SC6DVQ65T3CK · pith_short_16: SC6DVQ65T3CKNETY · pith_short_8: SC6DVQ65

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SC6DVQ65T3CKNETYZK3MWNE6DO \
  | 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: 90bc3ac3dd9ec4a69278cab6cb349e1b85c7df5c1bc10664b8982f1937e847fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b914c81847ef27a87adaa04ca35c420e6ae9c47e9dd78ced5029b9d43cee6c9",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2019-08-04T15:09:12Z",
    "title_canon_sha256": "12bbd9e43531b8643296d1ff71d690031182aeb8941cb6e8e941ff07bdb3dc5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02151",
    "kind": "arxiv",
    "version": 2
  }
}