Pith Number

pith:MJ5P62P5

pith:2019:MJ5P62P5PYOBAVHPZOPWXTOYBA

not attested not anchored not stored refs pending

Same But Different: Distance Correlations Between Topological Summaries

Gard Spreemann, Katharine Turner

arxiv:1903.01051 v2 · 2019-03-04 · math.AT · math.MG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJ5P62P5PYOBAVHPZOPWXTOYBA}

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	2026-05-17T23:42:48.363830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

627aff69fd7e1c1054efcb9f6bcdd8082d5c8679dcb43d5248f4859d4921881f

Aliases

arxiv: 1903.01051 · arxiv_version: 1903.01051v2 · doi: 10.48550/arxiv.1903.01051 · pith_short_12: MJ5P62P5PYOB · pith_short_16: MJ5P62P5PYOBAVHP · pith_short_8: MJ5P62P5

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/MJ5P62P5PYOBAVHPZOPWXTOYBA \
  | 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: 627aff69fd7e1c1054efcb9f6bcdd8082d5c8679dcb43d5248f4859d4921881f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d136e5310522c90d74165d8a6c512d4f4c5a5c929cb63249ed2ca1e9808ff4",
    "cross_cats_sorted": [
      "math.MG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-03-04T02:57:16Z",
    "title_canon_sha256": "6c004b1b58cec7f5c87abe0315e785195fd17b1c3048c381a562b93a628fdd68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01051",
    "kind": "arxiv",
    "version": 2
  }
}