Pith Number

pith:SHMMAYIF

pith:2021:SHMMAYIFZKXOETU4SFW4XASX23

not attested not anchored not stored refs pending

giotto-ph: A Python Library for High-Performance Computation of Persistent Homology of Vietoris-Rips Filtrations

Alberto Dassatti, Juli\'an Burella P\'erez, Matteo Caorsi, Sydney Hauke, Umberto Lupo

arxiv:2107.05412 v2 · 2021-07-12 · cs.CG · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHMMAYIFZKXOETU4SFW4XASX23}

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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

Pruning vineyards: updating barcodes and representative cycles by removing simplices

Receipt and verification

First computed	2026-07-05T03:02:56.997026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91d8c06105caaee24e9c916dcb8257d6f790438f7adbceaaaa5cafd0e87cd540

Aliases

arxiv: 2107.05412 · arxiv_version: 2107.05412v2 · doi: 10.48550/arxiv.2107.05412 · pith_short_12: SHMMAYIFZKXO · pith_short_16: SHMMAYIFZKXOETU4 · pith_short_8: SHMMAYIF

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/SHMMAYIFZKXOETU4SFW4XASX23 \
  | 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: 91d8c06105caaee24e9c916dcb8257d6f790438f7adbceaaaa5cafd0e87cd540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb13120ee91d7b9cb8b7a530d257e6b3f476e54a7e88dbdf979c923fc4559f05",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-07-12T13:30:45Z",
    "title_canon_sha256": "0767b4059b512fb51ddf9444afb4568827e3431b829b767123f0e63a97ddff9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05412",
    "kind": "arxiv",
    "version": 2
  }
}