Pith Number

pith:45RUFMMK

pith:2015:45RUFMMK7FSFDIIQCSOHYI6F5U

not attested not anchored not stored refs pending

The visual angle metric and quasiregular maps

Gendi Wang, Matti Vuorinen

arxiv:1505.00607 v3 · 2015-05-04 · 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{45RUFMMK7FSFDIIQCSOHYI6F5U}

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	2026-05-18T01:11:08.611137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e76342b18af96451a110149c7c23c5ed2994127b6ad2ceac29774805b614d53c

Aliases

arxiv: 1505.00607 · arxiv_version: 1505.00607v3 · doi: 10.48550/arxiv.1505.00607 · pith_short_12: 45RUFMMK7FSF · pith_short_16: 45RUFMMK7FSFDIIQ · pith_short_8: 45RUFMMK

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/45RUFMMK7FSFDIIQCSOHYI6F5U \
  | 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: e76342b18af96451a110149c7c23c5ed2994127b6ad2ceac29774805b614d53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872cdb289496153dbffdba42cd79b72bfe17b8858c1d2293d8c83392680b8157",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-05-04T12:16:51Z",
    "title_canon_sha256": "1ddaf050d13bd320500ef0bc154fff93d2b150dcb0b53e2f88ce239b801362e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00607",
    "kind": "arxiv",
    "version": 3
  }
}