Pith Number

pith:7ZOHU62W

pith:2015:7ZOHU62WDCTRSKEEQSUJHGGLLM

not attested not anchored not stored refs pending

Some remarks on the Cassinian metric

Matti Vuorinen, Parisa Hariri, Riku Klen, Xiaohui Zhang

arxiv:1504.01923 v5 · 2015-04-08 · 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{7ZOHU62WDCTRSKEEQSUJHGGLLM}

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	2026-05-18T00:38:11.895743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe5c7a7b5618a719288484a89398cb5b33f21ff553341b9b4ff4281dacc83fa1

Aliases

arxiv: 1504.01923 · arxiv_version: 1504.01923v5 · doi: 10.48550/arxiv.1504.01923 · pith_short_12: 7ZOHU62WDCTR · pith_short_16: 7ZOHU62WDCTRSKEE · pith_short_8: 7ZOHU62W

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/7ZOHU62WDCTRSKEEQSUJHGGLLM \
  | 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: fe5c7a7b5618a719288484a89398cb5b33f21ff553341b9b4ff4281dacc83fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293291e6bbbe636028320eb205b828b5b0e19b306b4748a8b1da5fa2e77d103c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-04-08T11:36:44Z",
    "title_canon_sha256": "85610a5aaf07bbd1eedcf04d77612a4d47370ee5db930384fc18739636eef308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01923",
    "kind": "arxiv",
    "version": 5
  }
}