Pith Number

pith:EJJZW2FE

pith:2019:EJJZW2FE65IATJL5HNSTXPKUQK

not attested not anchored not stored refs pending

A Faithful Discretization of the Verbose Persistent Homology Transform

Anna Schenfisch, Brittany Terese Fasy, David L. Millman, Lucia Williams, Samuel Micka

arxiv:1912.12759 v6 · 2019-12-29 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJJZW2FE65IATJL5HNSTXPKUQK}

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	2026-05-26T02:03:43.759142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22539b68a4f75009a57d3b653bbd5482b0b0238f643c3678516efedf383ef890

Aliases

arxiv: 1912.12759 · arxiv_version: 1912.12759v6 · doi: 10.48550/arxiv.1912.12759 · pith_short_12: EJJZW2FE65IA · pith_short_16: EJJZW2FE65IATJL5 · pith_short_8: EJJZW2FE

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/EJJZW2FE65IATJL5HNSTXPKUQK \
  | 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: 22539b68a4f75009a57d3b653bbd5482b0b0238f643c3678516efedf383ef890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c44dc60eb28ee0005605b91ba2472aae780519f5bef313018cffec6611aba109",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-12-29T23:35:44Z",
    "title_canon_sha256": "df1ad4b6977e75ac5b45ab07a5e2775ed68dfa6e11e25d44a18b78e66f796a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12759",
    "kind": "arxiv",
    "version": 6
  }
}