Pith Number

pith:SK7SAKW5

pith:2015:SK7SAKW5B2H7RN25JD5HSOC3WJ

not attested not anchored not stored refs pending

Synthetic foundations of cevian geometry, III: The generalized orthocenter

Igor Minevich, Patrick Morton

arxiv:1506.06253 v2 · 2015-06-20 · 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{SK7SAKW5B2H7RN25JD5HSOC3WJ}

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	2026-05-18T00:29:41.118380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92bf202add0e8ff8b75d48fa79385bb2735741f3c12fbbf205ea48b04a1158e4

Aliases

arxiv: 1506.06253 · arxiv_version: 1506.06253v2 · doi: 10.48550/arxiv.1506.06253 · pith_short_12: SK7SAKW5B2H7 · pith_short_16: SK7SAKW5B2H7RN25 · pith_short_8: SK7SAKW5

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/SK7SAKW5B2H7RN25JD5HSOC3WJ \
  | 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: 92bf202add0e8ff8b75d48fa79385bb2735741f3c12fbbf205ea48b04a1158e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403e2d9c724ce166549a2492c069da4ef68e0ebaa5d36c722df40465867d9ed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-06-20T15:12:03Z",
    "title_canon_sha256": "018b5a18de6eaa962c1528935019c5c2a5de7e13f10c8357b507b3552804d7b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06253",
    "kind": "arxiv",
    "version": 2
  }
}