Pith Number

pith:BRGVAMPZ

pith:2013:BRGVAMPZUSFYGZQ5K4J5PJHHZJ

not attested not anchored not stored refs pending

Reducing complexes in multidimensional persistent homology theory

Claudia Landi, Madjid Allili, Tomasz Kaczynski

arxiv:1310.8089 v2 · 2013-10-30 · 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{BRGVAMPZUSFYGZQ5K4J5PJHHZJ}

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	2026-05-18T02:24:28.835430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4d5031f9a48b83661d5713d7a4e7ca799d8a8a9bfab837d8f560bf7d0a330e

Aliases

arxiv: 1310.8089 · arxiv_version: 1310.8089v2 · doi: 10.48550/arxiv.1310.8089 · pith_short_12: BRGVAMPZUSFY · pith_short_16: BRGVAMPZUSFYGZQ5 · pith_short_8: BRGVAMPZ

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/BRGVAMPZUSFYGZQ5K4J5PJHHZJ \
  | 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: 0c4d5031f9a48b83661d5713d7a4e7ca799d8a8a9bfab837d8f560bf7d0a330e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2d0f61f8317111eeac76ec8cf1a9e677b27f832f351150712ce17dee76059c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-10-30T10:06:35Z",
    "title_canon_sha256": "87eb9592c801454cbfcd44aa83fd9a03cb255197760da640255d6d5f1d670325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8089",
    "kind": "arxiv",
    "version": 2
  }
}