Pith Number

pith:O2RPOA3W

pith:2018:O2RPOA3WN73UJLDAYR526MWFZU

not attested not anchored not stored refs pending

Tuning the Performance of a Computational Persistent Homology Package

Alan Hylton, Gregory Henselman-Petrusek, Janche Sang, Robert Short

arxiv:1809.04424 v1 · 2018-09-09 · 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{O2RPOA3WN73UJLDAYR526MWFZU}

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	2026-05-18T00:05:44.802368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a2f703766ff744ac60c47baf32c5cd252e2d8e63c9eab91f8c00e3ff0078e6

Aliases

arxiv: 1809.04424 · arxiv_version: 1809.04424v1 · doi: 10.48550/arxiv.1809.04424 · pith_short_12: O2RPOA3WN73U · pith_short_16: O2RPOA3WN73UJLDA · pith_short_8: O2RPOA3W

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/O2RPOA3WN73UJLDAYR526MWFZU \
  | 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: 76a2f703766ff744ac60c47baf32c5cd252e2d8e63c9eab91f8c00e3ff0078e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc0880f202bed1c9244be3f4e72e09c6f71f5c985ea1e0c3445c4edc521e284",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-09-09T01:51:45Z",
    "title_canon_sha256": "6b23efbe294d3b8754892a9adcf0940abb32299bbe6380be16beae4fde238b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04424",
    "kind": "arxiv",
    "version": 1
  }
}