Pith Number

pith:QCOHPWAJ

pith:2024:QCOHPWAJIZ7U6JCGCF72UP7TUZ

not attested not anchored not stored refs pending

Density Sensitive Bifiltered Dowker Complexes via Total Weight

Jan Spali\'nski, Niklas Hellmer

arxiv:2405.15592 v2 · 2024-05-24 · 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{QCOHPWAJIZ7U6JCGCF72UP7TUZ}

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

Lower Bounds for Approximating the Vietoris-Rips Filtration

Short, new proofs of Dowker duality

Receipt and verification

First computed	2026-07-05T09:12:06.504369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809c77d809467f4f2446117faa3ff3a6467bd72d916da67dd5d9e7195e3ddc52

Aliases

arxiv: 2405.15592 · arxiv_version: 2405.15592v2 · doi: 10.48550/arxiv.2405.15592 · pith_short_12: QCOHPWAJIZ7U · pith_short_16: QCOHPWAJIZ7U6JCG · pith_short_8: QCOHPWAJ

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/QCOHPWAJIZ7U6JCGCF72UP7TUZ \
  | 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: 809c77d809467f4f2446117faa3ff3a6467bd72d916da67dd5d9e7195e3ddc52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ed365024cbbc18b763db393fb77f985b80f16e05ca6339e584fe39815f4122",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2024-05-24T14:24:49Z",
    "title_canon_sha256": "4c3a6a64ef3ecf2e3dfbe09797d572e14c296482831ccc6a1ec114515a86dbba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.15592",
    "kind": "arxiv",
    "version": 2
  }
}