Pith Number

pith:K6MT42YA

pith:2014:K6MT42YAEZZ2PB3APE7SQURTCD

not attested not anchored not stored refs pending

Weak chord-arc curves and double-dome quasisymmetric spheres

Vyron Vellis

arxiv:1412.5110 v1 · 2014-12-16 · 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{K6MT42YAEZZ2PB3APE7SQURTCD}

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	2026-05-18T00:41:13.291808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57993e6b002673a78760793f28523310f8be6ee867da70f37c07998006699473

Aliases

arxiv: 1412.5110 · arxiv_version: 1412.5110v1 · doi: 10.48550/arxiv.1412.5110 · pith_short_12: K6MT42YAEZZ2 · pith_short_16: K6MT42YAEZZ2PB3A · pith_short_8: K6MT42YA

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/K6MT42YAEZZ2PB3APE7SQURTCD \
  | 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: 57993e6b002673a78760793f28523310f8be6ee867da70f37c07998006699473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acabd942ba839c2ce1da1e446d14d64b6812cdd7beefe62b3855bd053b9ae79a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-12-16T18:22:31Z",
    "title_canon_sha256": "91c0882a1b951987f3258ad84f946cb1af6733209c40ce0976c6a98cd5c0dbd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5110",
    "kind": "arxiv",
    "version": 1
  }
}