Pith Number

pith:Z5E7FWZ4

pith:2018:Z5E7FWZ44KGQPBHJ423VR5AYQJ

not attested not anchored not stored refs pending

Persistence Bag-of-Words for Topological Data Analysis

Bartosz Zieli\'nski, Mateusz Juda, Matthias Zeppelzauer, Micha{\l} Lipi\'nski, Pawe{\l} D{\l}otko

arxiv:1812.09245 v3 · 2018-12-21 · stat.ML · cs.LG · 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{Z5E7FWZ44KGQPBHJ423VR5AYQJ}

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	2026-05-17T23:43:50.239810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf49f2db3ce28d0784e9e6b758f418826c9cd218e7f48c83485cccaa53e3390f

Aliases

arxiv: 1812.09245 · arxiv_version: 1812.09245v3 · doi: 10.48550/arxiv.1812.09245 · pith_short_12: Z5E7FWZ44KGQ · pith_short_16: Z5E7FWZ44KGQPBHJ · pith_short_8: Z5E7FWZ4

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/Z5E7FWZ44KGQPBHJ423VR5AYQJ \
  | 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: cf49f2db3ce28d0784e9e6b758f418826c9cd218e7f48c83485cccaa53e3390f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8f9ea0fa3c94414081bb75c76a17b4c52f1a704fc00afd97766847522a533a",
    "cross_cats_sorted": [
      "cs.LG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-12-21T16:38:39Z",
    "title_canon_sha256": "2bb14b76cac9558158fbd5341e77bd35093eb6502e691b49c397b0399620f7db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09245",
    "kind": "arxiv",
    "version": 3
  }
}