Pith Number

pith:CXKC4JJS

pith:2023:CXKC4JJSUT6X4ULSWB2PQVIN4D

not attested not anchored not stored refs pending

Computation of degree-1 persistent homology on larger point-clouds using the Reduced Vietoris-Rips filtration

Facundo M\'emoli, Katharine Turner, Musashi Ayrton Koyama, Vanessa Robins

arxiv:2307.16333 v3 · 2023-07-30 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXKC4JJSUT6X4ULSWB2PQVIN4D}

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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.

Cited by

1 paper in Pith

A Stable Measure of Similarity for Time Series using Persistent Homology

Receipt and verification

First computed	2026-06-19T16:12:43.826227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15d42e2532a4fd7e5172b074f8550de0c7d72f139da0550d5681ccbd50d31364

Aliases

arxiv: 2307.16333 · arxiv_version: 2307.16333v3 · doi: 10.48550/arxiv.2307.16333 · pith_short_12: CXKC4JJSUT6X · pith_short_16: CXKC4JJSUT6X4ULS · pith_short_8: CXKC4JJS

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/CXKC4JJSUT6X4ULSWB2PQVIN4D \
  | 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: 15d42e2532a4fd7e5172b074f8550de0c7d72f139da0550d5681ccbd50d31364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abe9a33d90b9f86c9db62be28ba82045a15431c95ecf0273a4fcab6b34106b48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2023-07-30T22:43:07Z",
    "title_canon_sha256": "ccf312eb15888a50d33f6214cd66cdd674b94422bbf93f94ada4084de17cc19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.16333",
    "kind": "arxiv",
    "version": 3
  }
}