Pith Number

pith:HJI4MEPW

pith:2021:HJI4MEPWHG4FZGDJHWYP3P533M

not attested not anchored not stored refs pending

Notes on an Elementary Proof for the Stability of Persistence Diagrams

Katharine Turner, Primoz Skraba

arxiv:2103.10723 v1 · 2021-03-19 · 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{HJI4MEPWHG4FZGDJHWYP3P533M}

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.

Cited by

2 papers in Pith

Contraction and Hourglass Persistence for Learning on Graphs, Simplices, and Cells

Receipt and verification

First computed	2026-07-05T02:24:44.279117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a51c611f639b85c98693db0fdbfbbdb09a524fb66f19bd8d8a94ba22cd203e2

Aliases

arxiv: 2103.10723 · arxiv_version: 2103.10723v1 · doi: 10.48550/arxiv.2103.10723 · pith_short_12: HJI4MEPWHG4F · pith_short_16: HJI4MEPWHG4FZGDJ · pith_short_8: HJI4MEPW

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/HJI4MEPWHG4FZGDJHWYP3P533M \
  | 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: 3a51c611f639b85c98693db0fdbfbbdb09a524fb66f19bd8d8a94ba22cd203e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044c0f4d8ae25593d5c43f37b1a7ad08236663c3d7536674bd346df7383a98d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2021-03-19T10:31:19Z",
    "title_canon_sha256": "83cdecdea362999f82e070b1da9d45e9ce600c115b1a39497ce567d1c05d727e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10723",
    "kind": "arxiv",
    "version": 1
  }
}